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Generalize TRUNCATE to support truncating multiple tables in one

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command.  This is useful because we can allow truncation of tables
referenced by foreign keys, so long as the referencing table is
truncated in the same command.

Alvaro Herrera
This commit is contained in:
Tom Lane
2005-01-27 03:19:37 +00:00
parent 4fe201237f
commit f07b9689c9
14 changed files with 398 additions and 180 deletions
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4
src/include/nodes/parsenodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.271 2004/12/31 22:03:34 pgsql Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.272 2005/01/27 03:18:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1283,7 +1283,7 @@ typedef struct DropPropertyStmt
typedef struct TruncateStmt
{
NodeTag type;
RangeVar *relation; /* relation to be truncated */
List *relations; /* relations (RangeVars) to be truncated */
} TruncateStmt;
/* ----------------------