612 lines
22 KiB
JavaScript
612 lines
22 KiB
JavaScript
require('../../support/test_helper');
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var assert = require('assert');
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var OverviewsQueryRewriter = require('../../../lib/cartodb/utils/overviews_query_rewriter');
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var overviewsQueryRewriter = new OverviewsQueryRewriter({
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zoom_level: 'ZoomLevel()'
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});
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function normalize_whitespace(txt) {
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return txt.replace(/\s+/g, " ").trim();
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}
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// compare SQL statements ignoring whitespace
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function assertSameSql(sql1, sql2) {
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assert.equal(normalize_whitespace(sql1), normalize_whitespace(sql2));
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}
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describe('Overviews query rewriter', function() {
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it('does not alter queries if no overviews data is present', function(){
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var sql = "SELECT * FROM table1";
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var overviews_sql = overviewsQueryRewriter.query(sql);
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assert.equal(overviews_sql, sql);
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overviews_sql = overviewsQueryRewriter.query(sql, {});
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assert.equal(overviews_sql, sql);
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overviews_sql = overviewsQueryRewriter.query(sql, { overviews: {} });
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assert.equal(overviews_sql, sql);
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});
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it('does not alter queries which don\'t use overviews', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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table2: {
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0: { table: 'table2_ov0' },
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1: { table: 'table2_ov1' },
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4: { table: 'table2_ov4' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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});
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// jshint multistr:true
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it('generates query with single overview layer for level 0', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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table1: {
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0: { table: 'table1_ov0' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM table1_ov0, _vovw_scale WHERE _vovw_z = 0\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 0\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query with single overview layer for level >0', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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table1: {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query with multiple overview layers for all levels up to N', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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table1: {
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0: { table: 'table1_ov0' },
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1: { table: 'table1_ov1' },
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2: { table: 'table1_ov2' },
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3: { table: 'table1_ov3' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM table1_ov0, _vovw_scale WHERE _vovw_z = 0\
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UNION ALL\
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SELECT * FROM table1_ov1, _vovw_scale WHERE _vovw_z = 1\
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UNION ALL\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z = 2\
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UNION ALL\
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SELECT * FROM table1_ov3, _vovw_scale WHERE _vovw_z = 3\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 3\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query with multiple overview layers for random levels', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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table1: {
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0: { table: 'table1_ov0' },
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1: { table: 'table1_ov1' },
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6: { table: 'table1_ov6' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM table1_ov0, _vovw_scale WHERE _vovw_z = 0\
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UNION ALL\
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SELECT * FROM table1_ov1, _vovw_scale WHERE _vovw_z = 1\
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UNION ALL\
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SELECT * FROM table1_ov6, _vovw_scale WHERE _vovw_z > 1 AND _vovw_z <= 6\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 6\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query for a table with explicit schema', function(){
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var sql = "SELECT * FROM public.table1";
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var data = {
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overviews: {
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'public.table1': {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM public.table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM public.table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query for a table with explicit schema in the overviews info', function(){
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var sql = "SELECT * FROM public.table1";
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var data = {
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overviews: {
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'public.table1': {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM public.table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM public.table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('uses schema name from overviews', function(){
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var sql = "SELECT * FROM public.table1";
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var data = {
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overviews: {
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'table1': {
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schema: 'public',
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('ignores schema name from overviews if not necessary', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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'table1': {
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schema: 'public',
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('uses redundant schema information', function(){
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var sql = "SELECT * FROM public.table1";
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var data = {
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overviews: {
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'public.table1': {
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schema: 'public',
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM public.table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM public.table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query for a table that needs quoting with explicit schema', function(){
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var sql = "SELECT * FROM public.\"table 1\"";
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var data = {
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overviews: {
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'public."table 1"': {
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2: { table: '"table 1_ov2"' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM public.\"table 1_ov2\", _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM public.\"table 1\", _vovw_scale WHERE _vovw_z > 2\
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) AS \"_vovw_table 1\"\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query for a table with explicit schema that needs quoting', function(){
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var sql = "SELECT * FROM \"user-1\".table1";
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var data = {
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overviews: {
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'"user-1".table1': {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM \"user-1\".table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM \"user-1\".table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query for a table with explicit schema both needing quoting', function(){
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var sql = "SELECT * FROM \"user-1\".\"table 1\"";
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var data = {
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overviews: {
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'"user-1"."table 1"': {
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2: { table: '"table 1_ov2"' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (\
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SELECT * FROM \"user-1\".\"table 1_ov2\", _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM \"user-1\".\"table 1\", _vovw_scale WHERE _vovw_z > 2\
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) AS \"_vovw_table 1\"\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query using overviews for queries with selected columns', function(){
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var sql = "SELECT column1, column2, column3 FROM table1";
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var data = {
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overviews: {
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table1: {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT column1, column2, column3 FROM (\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query using overviews for queries with a semicolon', function(){
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var sql = "SELECT column1, column2, column3 FROM table1;";
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var data = {
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overviews: {
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table1: {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT column1, column2, column3 FROM (\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1;\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query using overviews for queries with extra whitespace', function(){
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var sql = " SELECT column1,column2, column3 FROM table1 ";
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var data = {
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overviews: {
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table1: {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT column1,column2, column3 FROM (\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z <= 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('does not alter queries which have not the simple supported form', function(){
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var sql = "SELECT * FROM table1 WHERE column1='x'";
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var data = {
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overviews: {
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table1: {
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "SELECT * FROM table1 JOIN table2 ON (table1.col1=table2.col1)";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "SELECT a+b AS c FROM table1";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "SELECT f(a) AS b FROM table1";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "SELECT * FROM table1 AS x";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "WITH a AS (1) SELECT * FROM table1";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "SELECT * FROM table1 WHERE a=1";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "\
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SELECT table1.* FROM table1 \
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JOIN areas ON ST_Intersects(table1.the_geom, areas.the_geom) \
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WHERE areas.name='A' \
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";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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sql = "SELECT table1.*, column1, column2, column3 FROM table1";
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overviews_sql = overviewsQueryRewriter.query(sql, data);
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assert.equal(overviews_sql, sql);
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});
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it('generates overviews for wrapped query', function(){
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var sql = "SELECT * FROM (SELECT * FROM table1) AS wrapped_query WHERE 1=1";
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var data = {
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overviews: {
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table1: {
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0: { table: 'table1_ov0' },
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1: { table: 'table1_ov1' },
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2: { table: 'table1_ov2' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data);
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var expected_sql = "\
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WITH\
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_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
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SELECT * FROM (SELECT * FROM (\
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SELECT * FROM table1_ov0, _vovw_scale WHERE _vovw_z = 0\
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UNION ALL\
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SELECT * FROM table1_ov1, _vovw_scale WHERE _vovw_z = 1\
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UNION ALL\
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SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z = 2\
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UNION ALL\
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SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 2\
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) AS _vovw_table1) AS wrapped_query WHERE 1=1\
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";
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assertSameSql(overviews_sql, expected_sql);
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});
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it('generates query for specific Z level', function(){
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var sql = "SELECT * FROM table1";
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var data = {
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overviews: {
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table1: {
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0: { table: 'table1_ov0' },
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2: { table: 'table1_ov2' },
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3: { table: 'table1_ov3' }
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}
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}
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};
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var overviews_sql = overviewsQueryRewriter.query(sql, data, { zoom_level: 3 });
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var expected_sql = "SELECT * FROM table1_ov3";
|
|
assertSameSql(overviews_sql, expected_sql);
|
|
});
|
|
|
|
it('generates query for specific nonpresent Z level', function(){
|
|
var sql = "SELECT * FROM table1";
|
|
var data = {
|
|
overviews: {
|
|
table1: {
|
|
0: { table: 'table1_ov0' },
|
|
2: { table: 'table1_ov2' },
|
|
3: { table: 'table1_ov3' }
|
|
}
|
|
}
|
|
};
|
|
var overviews_sql = overviewsQueryRewriter.query(sql, data, { zoom_level: 1 });
|
|
var expected_sql = "SELECT * FROM table1_ov2";
|
|
assertSameSql(overviews_sql, expected_sql);
|
|
});
|
|
|
|
it('does not use overviews for specific out-of-range Z level', function(){
|
|
var sql = "SELECT * FROM table1";
|
|
var data = {
|
|
overviews: {
|
|
table1: {
|
|
0: { table: 'table1_ov0' },
|
|
2: { table: 'table1_ov2' },
|
|
3: { table: 'table1_ov3' }
|
|
}
|
|
}
|
|
};
|
|
var overviews_sql = overviewsQueryRewriter.query(sql, data, { zoom_level: 4 });
|
|
var expected_sql = "SELECT * FROM table1";
|
|
assertSameSql(overviews_sql, expected_sql);
|
|
});
|
|
|
|
it('generates query with filters', function(){
|
|
var sql = "SELECT ST_Transform(the_geom, 3857) the_geom_webmercator, cartodb_id, name\
|
|
FROM (SELECT *\
|
|
FROM (select * from table1) _analysis_category_filter\
|
|
WHERE name IN ($escape_0$X$escape_0$)) _cdb_analysis_query";
|
|
var data = {
|
|
overviews: {
|
|
table1: {
|
|
0: { table: 'table1_ov0' },
|
|
1: { table: 'table1_ov1' },
|
|
2: { table: 'table1_ov2' },
|
|
3: { table: 'table1_ov3' }
|
|
}
|
|
},
|
|
filters: { name_filter: { type: 'category', column: 'name', params: { accept: [ 'X' ] } } },
|
|
unfiltered_query: 'SELECT * FROM table1'
|
|
};
|
|
var overviews_sql = overviewsQueryRewriter.query(sql, data);
|
|
var expected_sql = "\
|
|
SELECT * FROM (WITH\
|
|
_vovw_scale AS ( SELECT ZoomLevel() AS _vovw_z )\
|
|
SELECT * FROM (\
|
|
SELECT * FROM table1_ov0, _vovw_scale WHERE _vovw_z = 0\
|
|
UNION ALL\
|
|
SELECT * FROM table1_ov1, _vovw_scale WHERE _vovw_z = 1\
|
|
UNION ALL\
|
|
SELECT * FROM table1_ov2, _vovw_scale WHERE _vovw_z = 2\
|
|
UNION ALL\
|
|
SELECT * FROM table1_ov3, _vovw_scale WHERE _vovw_z = 3\
|
|
UNION ALL\
|
|
SELECT * FROM table1, _vovw_scale WHERE _vovw_z > 3\
|
|
) AS _vovw_table1) _analysis_category_filter\
|
|
WHERE name IN ($escape_0$X$escape_0$)\
|
|
";
|
|
assertSameSql(overviews_sql, expected_sql);
|
|
});
|
|
|
|
it('generates query with filters for specific zoom level', function(){
|
|
var sql = "SELECT ST_Transform(the_geom, 3857) the_geom_webmercator, cartodb_id, name\
|
|
FROM (SELECT *\
|
|
FROM (select * from table1) _analysis_category_filter\
|
|
WHERE name IN ($escape_0$X$escape_0$)) _cdb_analysis_query";
|
|
var data = {
|
|
overviews: {
|
|
table1: {
|
|
0: { table: 'table1_ov0' },
|
|
1: { table: 'table1_ov1' },
|
|
2: { table: 'table1_ov2' },
|
|
3: { table: 'table1_ov3' }
|
|
}
|
|
},
|
|
filters: { name_filter: { type: 'category', column: 'name', params: { accept: [ 'X' ] } } },
|
|
unfiltered_query: 'SELECT * FROM table1',
|
|
filter_stats: { unfiltered_rows: 1000, filtered_rows: 900 }
|
|
};
|
|
var overviews_sql = overviewsQueryRewriter.query(sql, data, { zoom_level: 2 });
|
|
var expected_sql = "\
|
|
SELECT * FROM (SELECT * FROM table1_ov2) _analysis_category_filter\
|
|
WHERE name IN ($escape_0$X$escape_0$)\
|
|
";
|
|
assertSameSql(overviews_sql, expected_sql);
|
|
});
|
|
|
|
it('does not generates query with aggressive filtering', function(){
|
|
var sql = "SELECT ST_Transform(the_geom, 3857) the_geom_webmercator, cartodb_id, name\
|
|
FROM (SELECT *\
|
|
FROM (select * from table1) _analysis_category_filter\
|
|
WHERE name IN ($escape_0$X$escape_0$)) _cdb_analysis_query";
|
|
var data = {
|
|
overviews: {
|
|
table1: {
|
|
0: { table: 'table1_ov0' },
|
|
1: { table: 'table1_ov1' },
|
|
2: { table: 'table1_ov2' },
|
|
3: { table: 'table1_ov3' }
|
|
}
|
|
},
|
|
filters: { name_filter: { type: 'category', column: 'name', params: { accept: [ 'X' ] } } },
|
|
unfiltered_query: 'SELECT * FROM table1',
|
|
filter_stats: { unfiltered_rows: 1000, filtered_rows: 10 }
|
|
};
|
|
var overviews_sql = overviewsQueryRewriter.query(sql, data);
|
|
assert.equal(overviews_sql, sql);
|
|
});
|
|
});
|