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Adds explanation for SCHEMA DEFAULT NULL 173

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This commit is contained in:
Guido Fioravantti 2015-10-26 15:54:08 +01:00
parent 270d5b3146
commit 629214f32f
1 changed files with 3 additions and 2 deletions
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5
scripts-available/CDB_Helper.sql
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@ -1,5 +1,6 @@
-- UTF8 safe and lenght aware. Find a unique identifier with a given prefix
-- and/or suffix and withing a schema.
-- and/or suffix and withing a schema. If a schema is not specified, the identifier
-- is guaranteed to be unique for all schemas.
CREATE OR REPLACE FUNCTION cartodb._CDB_Unique_Identifier(prefix TEXT, relname TEXT, suffix TEXT, schema TEXT DEFAULT NULL)
RETURNS TEXT
AS $$
@ -57,7 +58,7 @@ END;
$$ LANGUAGE 'plpgsql';
-- UTF8 safe and lenght aware. Find a unique identifier for a column with a given prefix
-- and/or suffix and withing a realtion. If no reloid is give, all relations are examined
-- and/or suffix and withing a realtion. If no reloid is give, all relations are examined.
CREATE OR REPLACE FUNCTION cartodb._CDB_Unique_Column_Identifier(prefix TEXT, relname TEXT, suffix TEXT, reloid REGCLASS DEFAULT NULL)
RETURNS TEXT
AS $$