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Create stub functions to support pg_upgrade of old contrib/tsearch2.

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Commits 9ff60273e3 and dbe2328959 adjusted the declarations
of some core functions referenced by contrib/tsearch2's install script,
forgetting that in a pg_upgrade situation, we'll be trying to restore
operator class definitions that reference the old signatures.  We've
hit this problem before; solve it in the same way as before, namely by
installing stub functions that have the expected signature and just
invoke the correct function.  Per report from Jeff Janes.

(Someday we ought to stop supporting contrib/tsearch2, but I'm not
sure today is that day.)
This commit is contained in:
Tom Lane
2016-03-02 17:37:54 -05:00
parent cc6077d4d5
commit eb43e851d6
6 changed files with 60 additions and 1 deletions
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4
src/include/tsearch/ts_utils.h
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@@ -132,6 +132,7 @@ extern Datum gtsvector_union(PG_FUNCTION_ARGS);
extern Datum gtsvector_same(PG_FUNCTION_ARGS);
extern Datum gtsvector_penalty(PG_FUNCTION_ARGS);
extern Datum gtsvector_picksplit(PG_FUNCTION_ARGS);
extern Datum gtsvector_consistent_oldsig(PG_FUNCTION_ARGS);
/*
* IO functions for pseudotype gtsvector
@@ -153,6 +154,8 @@ extern Datum gin_tsquery_triconsistent(PG_FUNCTION_ARGS);
extern Datum gin_extract_tsvector_2args(PG_FUNCTION_ARGS);
extern Datum gin_extract_tsquery_5args(PG_FUNCTION_ARGS);
extern Datum gin_tsquery_consistent_6args(PG_FUNCTION_ARGS);
extern Datum gin_extract_tsquery_oldsig(PG_FUNCTION_ARGS);
extern Datum gin_tsquery_consistent_oldsig(PG_FUNCTION_ARGS);
/*
* Possible strategy numbers for indexes
@@ -217,6 +220,7 @@ extern Datum gtsquery_union(PG_FUNCTION_ARGS);
extern Datum gtsquery_same(PG_FUNCTION_ARGS);
extern Datum gtsquery_penalty(PG_FUNCTION_ARGS);
extern Datum gtsquery_picksplit(PG_FUNCTION_ARGS);
extern Datum gtsquery_consistent_oldsig(PG_FUNCTION_ARGS);
/*
* Parser interface to SQL