Merge pull request #202 from CartoDB/cartodbfication_cartodb_id_text
Add support to detect string cartodb_id columns
This commit is contained in:
Carla
commit
16cf70bb4a
@ -470,6 +470,7 @@ $$ LANGUAGE 'plpgsql';
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-- If the table has both a usable key and usable geometry
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-- we can no-op on the table copy and just ensure that the
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-- indexes and triggers are in place
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DROP FUNCTION IF EXISTS _CDB_Has_Usable_Primary_ID(reloid REGCLASS);
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CREATE OR REPLACE FUNCTION _CDB_Has_Usable_Primary_ID(reloid REGCLASS)
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RETURNS BOOLEAN
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AS $$
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@ -500,78 +501,63 @@ BEGIN
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-- Found something named right...
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IF FOUND THEN
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-- And it's an integer column...
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IF rec.atttypid IN (20,21,23) THEN
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-- And it's a unique primary key! Done!
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IF (rec.indisprimary OR rec.indisunique) AND rec.attnotnull THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('found good ''%s''', const.pkey);
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RETURN true;
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-- And it's a unique primary key! Done!
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IF (rec.indisprimary OR rec.indisunique) AND rec.attnotnull THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('found good ''%s''', const.pkey);
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RETURN true;
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-- Check and see if the column values are unique and not null,
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-- if they are, we can use this column...
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ELSE
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-- Check and see if the column values are unique and not null,
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-- if they are, we can use this column...
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-- Assume things are OK until proven otherwise...
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useable_key := true;
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BEGIN
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sql := Format('ALTER TABLE %s ADD CONSTRAINT %s_pk PRIMARY KEY (%s)', reloid::text, const.pkey, const.pkey);
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sql := sql || ', ' || Format('ADD CONSTRAINT %s_integer CHECK (%s::integer >=0);', const.pkey, const.pkey);
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', sql;
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EXECUTE sql;
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EXCEPTION
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-- Failed unique check...
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WHEN unique_violation THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('column %s is not unique', const.pkey);
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useable_key := false;
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-- Failed not null check...
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WHEN not_null_violation THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('column %s contains nulls', const.pkey);
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useable_key := false;
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-- Failed integer check...
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WHEN invalid_text_representation THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('invalid input syntax for integer %s', const.pkey);
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useable_key := false;
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-- Other fatal error
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WHEN others THEN
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PERFORM _CDB_Error(sql, Format('_CDB_Has_Usable_Primary_ID: %s', SQLERRM));
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END;
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-- Clean up test constraint
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IF useable_key THEN
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PERFORM _CDB_SQL(Format('ALTER TABLE %s DROP CONSTRAINT %s_pk', reloid::text, const.pkey));
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PERFORM _CDB_SQL(Format('ALTER TABLE %s DROP CONSTRAINT %s_integer', reloid::text, const.pkey));
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-- Move non-valid column out of the way
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ELSE
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-- Assume things are OK until proven otherwise...
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useable_key := true;
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %',
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Format('found non-valid ''%s''', const.pkey);
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BEGIN
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sql := Format('ALTER TABLE %s ADD CONSTRAINT %s_pk PRIMARY KEY (%s)', reloid::text, const.pkey, const.pkey);
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', sql;
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EXECUTE sql;
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EXCEPTION
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-- Failed unique check...
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WHEN unique_violation THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('column %s is not unique', const.pkey);
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useable_key := false;
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-- Failed not null check...
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WHEN not_null_violation THEN
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %', Format('column %s contains nulls', const.pkey);
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useable_key := false;
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-- Other fatal error
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WHEN others THEN
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PERFORM _CDB_Error(sql, '_CDB_Has_Usable_Primary_ID');
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END;
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-- Clean up test constraint
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IF useable_key THEN
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PERFORM _CDB_SQL(Format('ALTER TABLE %s DROP CONSTRAINT %s_pk', reloid::text, const.pkey));
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-- Move non-unique column out of the way
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ELSE
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %',
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Format('found non-unique ''%s'', renaming it', const.pkey);
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PERFORM _CDB_SQL(
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Format('ALTER TABLE %s RENAME COLUMN %s TO %I',
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reloid::text, rec.attname,
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cartodb._CDB_Unique_Column_Identifier(NULL, const.pkey, NULL, reloid)),
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'_CDB_Has_Usable_Primary_ID');
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END IF;
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return useable_key;
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PERFORM _CDB_Error(sql, Format('_CDB_Has_Usable_Primary_ID: Error: invalid cartodb_id, %s', const.pkey));
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END IF;
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-- It's not an integer column, we have to rename it
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ELSE
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RAISE DEBUG 'CDB(_CDB_Has_Usable_Primary_ID): %',
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Format('found non-integer ''%s'', renaming it', const.pkey);
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PERFORM _CDB_SQL(
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Format('ALTER TABLE %s RENAME COLUMN %s TO %I',
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reloid::text, rec.attname, cartodb._CDB_Unique_Column_Identifier(NULL, const.pkey, NULL, reloid)),
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'_CDB_Has_Usable_Primary_ID');
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RETURN useable_key;
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END IF;
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-- There's no column there named pkey
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ELSE
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-- Is there another suitable primary key already?
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-- Is there another integer suitable primary key already?
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SELECT a.attname
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INTO rec
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FROM pg_class c
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@ -596,7 +582,6 @@ BEGIN
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-- Didn't find re-usable key, so return FALSE
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RETURN false;
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END;
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$$ LANGUAGE 'plpgsql';
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@ -934,7 +919,7 @@ BEGIN
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-- Add cartodb ID!
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IF has_usable_primary_key THEN
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sql := sql || const.pkey;
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sql := sql || const.pkey || '::bigint ';
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ELSE
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sql := sql || 'nextval(''' || destseq || ''') AS ' || const.pkey;
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END IF;
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@ -1,5 +1,5 @@
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SET client_min_messages TO error;
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\set VERBOSITY default
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\set VERBOSITY terse
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CREATE OR REPLACE FUNCTION CDB_CartodbfyTableCheck(tabname regclass, label text)
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RETURNS text AS
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@ -124,13 +124,21 @@ END;
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$$
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LANGUAGE 'plpgsql';
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-- table with single non-geometrical column
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-- check cartodbfytable idempotence
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CREATE TABLE t AS SELECT 1::int as a;
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SELECT CDB_CartodbfyTable('public', 't'); -- should fail
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SELECT CDB_SetUserQuotaInBytes(0); -- Set user quota to infinite
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SELECT CDB_CartodbfyTableCheck('t', 'single non-geometrical column');
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DROP TABLE t;
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-- table with single non-geometrical column
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CREATE TABLE t AS SELECT ST_SetSRID(ST_MakePoint(-1,-1),4326) as the_geom, 1::int as cartodb_id, 'this is a sentence' as description;
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SELECT CDB_CartodbfyTableCheck('t', 'check function idempotence');
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SELECT * FROM t;
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SELECT CDB_CartodbfyTableCheck('t', 'check function idempotence');
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SELECT * FROM t;
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DROP TABLE t;
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-- table with existing srid-unconstrained (but type-constrained) the_geom
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CREATE TABLE t AS SELECT ST_SetSRID(ST_MakePoint(0,0),4326)::geometry(point) as the_geom;
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SELECT CDB_CartodbfyTableCheck('t', 'srid-unconstrained the_geom');
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@ -164,19 +172,22 @@ SELECT CDB_CartodbfyTableCheck('t', 'trigger-protected the_geom');
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SELECT 'extent',ST_Extent(ST_SnapToGrid(the_geom,0.2)) FROM t;
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DROP TABLE t;
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-- INFO: disabled because cartodbfy does not longer consider text columns for primary ID
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-- -- table with existing cartodb_id field of type text
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-- CREATE TABLE t AS SELECT 10::text as cartodb_id;
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-- SELECT CDB_CartodbfyTableCheck('t', 'text cartodb_id');
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-- select cartodb_id/2 FROM t;
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-- DROP TABLE t;
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-- table with existing cartodb_id field of type text
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CREATE TABLE t AS SELECT 10::text as cartodb_id;
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SELECT CDB_CartodbfyTableCheck('t', 'text cartodb_id');
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select cartodb_id/2 FROM t;
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DROP TABLE t;
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-- INFO: disabled because cartodbfy does not longer consider text columns for primary ID
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-- -- table with existing cartodb_id field of type text not casting
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-- CREATE TABLE t AS SELECT 'nan' as cartodb_id;
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-- SELECT CDB_CartodbfyTableCheck('t', 'uncasting text cartodb_id');
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-- select cartodb_id,_cartodb_id0 FROM t;
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-- DROP TABLE t;
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-- table with existing cartodb_id field of type text not casting
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CREATE TABLE t AS SELECT 'nan'::text as cartodb_id;
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SELECT CDB_CartodbfyTableCheck('t', 'uncasting text cartodb_id');
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DROP TABLE t;
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-- table with empty cartodb_id field of type text
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CREATE TABLE t AS SELECT null::text as cartodb_id;
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SELECT CDB_CartodbfyTableCheck('t', 'empty text cartodb_id');
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SELECT cartodb_id from t;
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DROP TABLE t;
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-- table with existing cartodb_id field of type int4 not sequenced
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CREATE TABLE t AS SELECT 1::int4 as cartodb_id;
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@ -291,7 +302,7 @@ INSERT INTO test VALUES
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(NULL),
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(3);
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SELECT CDB_CartodbfyTableCheck('test', 'Table with null cartodb_id #148');
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SELECT cartodb_id, cartodb_id_0 from test;
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SELECT cartodb_id from test;
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DROP TABLE test;
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-- Table with non unique cartodb_id
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@ -303,7 +314,7 @@ INSERT INTO test VALUES
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(2),
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(2);
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SELECT CDB_CartodbfyTableCheck('test', 'Table with non unique cartodb_id #148');
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SELECT cartodb_id, cartodb_id_0 from test;
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SELECT cartodb_id from test;
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DROP TABLE test;
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-- Table with non unique and null cartodb_id
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@ -316,7 +327,7 @@ INSERT INTO test VALUES
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(NULL),
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(2);
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SELECT CDB_CartodbfyTableCheck('test', 'Table with non unique and null cartodb_id #148');
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SELECT cartodb_id, cartodb_id_0 from test;
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SELECT cartodb_id from test;
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DROP TABLE test;
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CREATE TABLE test (
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@ -2,12 +2,16 @@ SET
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CREATE FUNCTION
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SELECT 1
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ERROR: Please set user quota before cartodbfying tables.
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CONTEXT: SQL statement "SELECT cartodb._CDB_check_prerequisites(destschema, reloid)"
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PL/pgSQL function cdb_cartodbfytable(text,regclass) line 21 at PERFORM
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0
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single non-geometrical column cartodbfied fine
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DROP TABLE
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SELECT 1
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check function idempotence cartodbfied fine
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1|0101000020E6100000000000000000F0BF000000000000F0BF|0101000020110F0000DB0B4ADA772DFBC077432E49D22DFBC0|this is a sentence
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check function idempotence cartodbfied fine
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1|0101000020E6100000000000000000F0BF000000000000F0BF|0101000020110F0000DB0B4ADA772DFBC077432E49D22DFBC0|this is a sentence
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DROP TABLE
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SELECT 1
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srid-unconstrained the_geom cartodbfied fine
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DROP TABLE
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SELECT 2
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@ -26,6 +30,17 @@ SELECT 1
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CREATE TRIGGER
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trigger-protected the_geom cartodbfied fine
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extent|BOX(1 1,2 2)
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DROP TABLE
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SELECT 1
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text cartodb_id cartodbfied fine
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5
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DROP TABLE
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SELECT 1
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ERROR: CDB(_CDB_Has_Usable_Primary_ID: Error: invalid cartodb_id, cartodb_id): ALTER TABLE t ADD CONSTRAINT cartodb_id_pk PRIMARY KEY (cartodb_id), ADD CONSTRAINT cartodb_id_integer CHECK (cartodb_id::integer >=0);
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DROP TABLE
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SELECT 1
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ERROR: CDB(_CDB_Has_Usable_Primary_ID: Error: invalid cartodb_id, cartodb_id): ALTER TABLE t ADD CONSTRAINT cartodb_id_pk PRIMARY KEY (cartodb_id), ADD CONSTRAINT cartodb_id_integer CHECK (cartodb_id::integer >=0);
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DROP TABLE
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SELECT 1
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unsequenced cartodb_id cartodbfied fine
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@ -77,30 +92,30 @@ Table with both the_geom and wkb_geometry #141 cartodbfied fine
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DROP TABLE
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CREATE TABLE
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INSERT 0 1
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Many colliding columns #141 cartodbfied fine
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ERROR: CDB(_CDB_Has_Usable_Primary_ID: multiple primary keys for table "many_colliding_columns" are not allowed): ALTER TABLE many_colliding_columns ADD CONSTRAINT cartodb_id_pk PRIMARY KEY (cartodb_id), ADD CONSTRAINT cartodb_id_integer CHECK (cartodb_id::integer >=0);
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DROP TABLE
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CREATE TABLE
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INSERT 0 4
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Table with null cartodb_id #148 cartodbfied fine
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1|1
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2|2
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3|
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4|3
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ERROR: CDB(_CDB_Has_Usable_Primary_ID: Error: invalid cartodb_id, cartodb_id): ALTER TABLE test ADD CONSTRAINT cartodb_id_pk PRIMARY KEY (cartodb_id), ADD CONSTRAINT cartodb_id_integer CHECK (cartodb_id::integer >=0);
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1
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2
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3
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DROP TABLE
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CREATE TABLE
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INSERT 0 3
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Table with non unique cartodb_id #148 cartodbfied fine
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1|1
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2|2
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3|2
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ERROR: CDB(_CDB_Has_Usable_Primary_ID: Error: invalid cartodb_id, cartodb_id): ALTER TABLE test ADD CONSTRAINT cartodb_id_pk PRIMARY KEY (cartodb_id), ADD CONSTRAINT cartodb_id_integer CHECK (cartodb_id::integer >=0);
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1
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2
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2
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DROP TABLE
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CREATE TABLE
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INSERT 0 4
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Table with non unique and null cartodb_id #148 cartodbfied fine
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1|1
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2|2
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3|
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4|2
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ERROR: CDB(_CDB_Has_Usable_Primary_ID: Error: invalid cartodb_id, cartodb_id): ALTER TABLE test ADD CONSTRAINT cartodb_id_pk PRIMARY KEY (cartodb_id), ADD CONSTRAINT cartodb_id_integer CHECK (cartodb_id::integer >=0);
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1
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2
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2
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DROP TABLE
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CREATE TABLE
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CREATE INDEX
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