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Provide readfuncs support for custom scans.

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Commit a0d9f6e434 added this support for
all other plan node types; this fills in the gap.

Since TextOutCustomScan complicates this and is pretty well useless,
remove it.

KaiGai Kohei, with some modifications by me.
This commit is contained in:
Robert Haas
2015-11-12 07:40:31 -05:00
parent 39b9978d9c
commit a05dc4d7fd
4 changed files with 51 additions and 20 deletions
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7
src/backend/nodes/outfuncs.c
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@ -613,10 +613,11 @@ _outCustomScan(StringInfo str, const CustomScan *node)
WRITE_NODE_FIELD(custom_private);
WRITE_NODE_FIELD(custom_scan_tlist);
WRITE_BITMAPSET_FIELD(custom_relids);
/* Dump library and symbol name instead of raw pointer */
appendStringInfoString(str, " :methods ");
_outToken(str, node->methods->CustomName);
if (node->methods->TextOutCustomScan)
node->methods->TextOutCustomScan(str, node);
_outToken(str, node->methods->LibraryName);
appendStringInfoChar(str, ' ');
_outToken(str, node->methods->SymbolName);
}
static void