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Clean up references to SQL92

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In most cases, these were just references to the SQL standard in
general.  In a few cases, a contrast was made between SQL92 and later
standards -- those have been kept unchanged.
This commit is contained in:
Peter Eisentraut
2013-04-20 11:04:41 -04:00
parent 6e481ebff6
commit cc26ea9fe2
25 changed files with 65 additions and 67 deletions
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6
src/backend/parser/parse_utilcmd.c
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@ -133,7 +133,7 @@ static void setSchemaName(char *context_schema, char **stmt_schema_name);
* will be the transformed CreateStmt, but there may be additional actions
* to be done before and after the actual DefineRelation() call.
*
* SQL92 allows constraints to be scattered all over, so thumb through
* SQL allows constraints to be scattered all over, so thumb through
* the columns and collect all constraints into one place.
* If there are any implied indices (e.g. UNIQUE or PRIMARY KEY)
* then expand those into multiple IndexStmt blocks.
@ -1405,7 +1405,7 @@ transformIndexConstraints(CreateStmtContext *cxt)
/*
* Scan the index list and remove any redundant index specifications. This
* can happen if, for instance, the user writes UNIQUE PRIMARY KEY. A
* strict reading of SQL92 would suggest raising an error instead, but
* strict reading of SQL would suggest raising an error instead, but
* that strikes me as too anal-retentive. - tgl 2001-02-14
*
* XXX in ALTER TABLE case, it'd be nice to look for duplicate
@ -2691,7 +2691,7 @@ transformColumnType(CreateStmtContext *cxt, ColumnDef *column)
* that the logic we use for determining forward references is
* presently quite incomplete.
*
* SQL92 also allows constraints to make forward references, so thumb through
* SQL also allows constraints to make forward references, so thumb through
* the table columns and move forward references to a posterior alter-table
* command.
*