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Do not fallback to AND for FTS phrase operator.

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If there is no positional information of lexemes then phrase operator will not
fallback to AND operator. This change makes needing to modify TS_execute()
interface, because somewhere (in indexes, for example) positional information
is unaccesible and in this cases we need to force fallback to AND.

Per discussion c19fcfec308e6ccd952cdde9e648b505@mail.gmail.com
This commit is contained in:
Teodor Sigaev
2016-06-27 20:47:32 +03:00
parent 028350f619
commit 3dbbd0f02a
7 changed files with 53 additions and 27 deletions
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6
src/backend/utils/adt/tsgistidx.c
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@ -361,7 +361,8 @@ gtsvector_consistent(PG_FUNCTION_ARGS)
PG_RETURN_BOOL(TS_execute(
GETQUERY(query),
(void *) GETSIGN(key), false,
(void *) GETSIGN(key),
TS_EXEC_PHRASE_AS_AND,
checkcondition_bit
));
}
@ -373,7 +374,8 @@ gtsvector_consistent(PG_FUNCTION_ARGS)
chkval.arre = chkval.arrb + ARRNELEM(key);
PG_RETURN_BOOL(TS_execute(
GETQUERY(query),
(void *) &chkval, true,
(void *) &chkval,
TS_EXEC_PHRASE_AS_AND | TS_EXEC_CALC_NOT,
checkcondition_arr
));
}