In json code, clean up temp memory contexts after processing.

Craig Ringer.

diff --git a/src/backend/utils/adt/jsonfuncs.c b/src/backend/utils/adt/jsonfuncs.c
index bcb9354364a95258f2f837d009b4abfbe41c0caa..cf66a28cf2c044b102d9cebf81b2f0f1c52f1b05 100644 (file)
--- a/src/backend/utils/adt/jsonfuncs.c
+++ b/src/backend/utils/adt/jsonfuncs.c
@@ -958,6 +958,8 @@ each_worker(PG_FUNCTION_ARGS, bool as_text)
 
    pg_parse_json(lex, sem);
 
+   MemoryContextDelete(state->tmp_cxt); 
+
    rsi->setResult = state->tuple_store;
    rsi->setDesc = state->ret_tdesc;
 
@@ -1125,6 +1127,8 @@ json_array_elements(PG_FUNCTION_ARGS)
 
    pg_parse_json(lex, sem);
 
+   MemoryContextDelete(state->tmp_cxt); 
+
    rsi->setResult = state->tuple_store;
    rsi->setDesc = state->ret_tdesc;