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Add ExtractFieldInt32(..) to jsonbutils

pull/6763/head^2
Gokhan Gulbiz 2023-03-09 11:20:32 +03:00
parent b989e8872c
commit 9d2d97fe67
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2 changed files with 20 additions and 0 deletions
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19
src/backend/distributed/utils/jsonbutils.c
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@ -83,6 +83,25 @@ ExtractFieldBoolean(Datum jsonbDoc, const char *fieldName, bool defaultValue)
} }
/*
* ExtractFieldInt32 gets value of fieldName from jsonbDoc, or returns
* defaultValue if it doesn't exist.
*/
int32
ExtractFieldInt32(Datum jsonbDoc, const char *fieldName, int32 defaultValue)
{
Datum jsonbDatum = 0;
bool found = ExtractFieldJsonb(jsonbDoc, fieldName, &jsonbDatum, false);
if (!found)
{
return defaultValue;
}
Datum int32Datum = DirectFunctionCall1(jsonb_int4, jsonbDatum);
return DatumGetInt32(int32Datum);
}
/* /*
* ExtractFieldTextP gets value of fieldName as text* from jsonbDoc, or * ExtractFieldTextP gets value of fieldName as text* from jsonbDoc, or
* returns NULL if it doesn't exist. * returns NULL if it doesn't exist.

1
src/include/distributed/jsonbutils.h
View File

@ -16,5 +16,6 @@
bool ExtractFieldJsonbDatum(Datum jsonbDoc, const char *fieldName, Datum *result); bool ExtractFieldJsonbDatum(Datum jsonbDoc, const char *fieldName, Datum *result);
text * ExtractFieldTextP(Datum jsonbDoc, const char *fieldName); text * ExtractFieldTextP(Datum jsonbDoc, const char *fieldName);
bool ExtractFieldBoolean(Datum jsonbDoc, const char *fieldName, bool defaultValue); bool ExtractFieldBoolean(Datum jsonbDoc, const char *fieldName, bool defaultValue);
int32 ExtractFieldInt32(Datum jsonbDoc, const char *fieldName, int32 defaultValue);
#endif /* CITUS_JSONBUTILS_H */ #endif /* CITUS_JSONBUTILS_H */