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Rename BaseWidget by BaseDataview

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This commit is contained in:
Daniel García Aubert 2017-09-14 17:56:17 +02:00
parent 6b2e2b2241
commit dcb9b8ec52
1 changed files with 30 additions and 21 deletions
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51
lib/cartodb/models/dataview/formula.js
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@ -1,26 +1,35 @@
var _ = require('underscore');
var BaseWidget = require('./base');
var BaseDataview = require('./base');
var debug = require('debug')('windshaft:widget:formula');
var dot = require('dot');
dot.templateSettings.strip = false;
const countInfinitiesQueryTpl = ctx => `
SELECT count(1) FROM (${ctx._query}) __cdb_formula_infinities
WHERE ${ctx._column} = 'infinity'::float OR ${ctx._column} = '-infinity'::float
`;
var formulaQueryTpl = dot.template([
'SELECT',
' {{=it._operation}}({{=it._column}}) AS result,',
' (SELECT count(1) FROM ({{=it._query}}) _cdb_formula_nulls WHERE {{=it._column}} IS NULL) AS nulls_count',
' {{?it._isFloatColumn}},(SELECT count(1) FROM ({{=it._query}}) _cdb_formula_nulls',
' WHERE {{=it._column}} = \'infinity\'::float OR {{=it._column}} = \'-infinity\'::float) AS infinities_count',
' ,(SELECT count(1) FROM ({{=it._query}}) _cdb_formula_nulls',
' WHERE {{=it._column}} = \'NaN\'::float) AS nans_count{{?}}',
'FROM ({{=it._query}}) _cdb_formula',
'{{?it._isFloatColumn && it._operation !== \'count\'}}WHERE',
' {{=it._column}} != \'infinity\'::float',
'AND',
' {{=it._column}} != \'-infinity\'::float',
'AND',
' {{=it._column}} != \'NaN\'::float{{?}}'
].join('\n'));
const countNansQueryTpl = ctx => `
SELECT count(1) FROM (${ctx._query}) __cdb_formula_nans
WHERE ${ctx._column} = 'NaN'::float
`;
const filterOutSpecialNumericValuesTpl = ctx => `
WHERE
${ctx._column} != 'infinity'::float
AND
${ctx._column} != '-infinity'::float
AND
${ctx._column} != 'NaN'::float
`;
const formulaQueryTpl = ctx => `
SELECT
${ctx._operation}(${ctx._column}) AS result,
(SELECT count(1) FROM (${ctx._query}) _cdb_formula_nulls WHERE ${ctx._column} IS NULL) AS nulls_count
${ctx._isFloatColumn ? `,(${countInfinitiesQueryTpl(ctx)}) AS infinities_count` : ''}
${ctx._isFloatColumn ? `,(${countNansQueryTpl(ctx)}) AS nans_count` : ''}
FROM (${ctx._query}) __cdb_formula
${ctx._isFloatColumn && ctx._operation !== 'count' ? `${filterOutSpecialNumericValuesTpl(ctx)}` : ''}
`;
var VALID_OPERATIONS = {
count: true,
@ -54,7 +63,7 @@ function Formula(query, options, queries) {
throw new Error('Formula expects `column` in widget options');
}
BaseWidget.apply(this);
BaseDataview.apply(this);
this.query = query;
this.queries = queries;
@ -63,7 +72,7 @@ function Formula(query, options, queries) {
this._isFloatColumn = null;
}
Formula.prototype = new BaseWidget();
Formula.prototype = new BaseDataview();
Formula.prototype.constructor = Formula;
module.exports = Formula;