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Fix handling of collations in multi-row VALUES constructs.

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Per spec we ought to apply select_common_collation() across the expressions
in each column of the VALUES table.  The original coding was just taking
the first row and assuming it was representative.

This patch adds a field to struct RangeTblEntry to carry the resolved
collations, so initdb is forced for changes in stored rule representation.
This commit is contained in:
Tom Lane
2011-04-18 15:31:52 -04:00
parent 04db0fdbfa
commit 918854cc08
13 changed files with 131 additions and 53 deletions
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src/backend/nodes/copyfuncs.c
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@ -1951,6 +1951,7 @@ _copyRangeTblEntry(RangeTblEntry *from)
COPY_NODE_FIELD(funccoltypmods);
COPY_NODE_FIELD(funccolcollations);
COPY_NODE_FIELD(values_lists);
COPY_NODE_FIELD(values_collations);
COPY_STRING_FIELD(ctename);
COPY_SCALAR_FIELD(ctelevelsup);
COPY_SCALAR_FIELD(self_reference);