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pgsql: Remove transformAlterTableStmt's kluge to replace

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Remove transformAlterTableStmt's kluge to replace
Date: 2008-04-24 20:46:49
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Lists: pgsql-committers
Log Message:
Remove transformAlterTableStmt's kluge to replace ColumnDef.is_not_null
flags by separate AT_SetNotNull subcommands.  That was always ugly and
inefficient, and it's now clear that it was merely a partial workaround
for the bug just identified in ATExecAddColumn.  This is just code
beautification not a bug fix, so no back-patch.

Brendan Jurd, with some trivial additional cleanup by me.

Modified Files:
        parse_utilcmd.c (r2.11 -> r2.12)

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