diff options
Diffstat (limited to 'src/backend/parser')
| -rw-r--r-- | src/backend/parser/analyze.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c index 1f4d6adda52..a16fdd65601 100644 --- a/src/backend/parser/analyze.c +++ b/src/backend/parser/analyze.c @@ -253,20 +253,14 @@ parse_sub_analyze(Node *parseTree, ParseState *parentParseState, * statements. However, we have the statement's location plus the length * (p_stmt_len) and location (p_stmt_location) of the top level RawStmt, * stored in pstate. Thus, the statement's length is the RawStmt's length - * minus how much we've advanced in the RawStmt's string. + * minus how much we've advanced in the RawStmt's string. If p_stmt_len + * is 0, the SQL string is used up to its end. */ static void setQueryLocationAndLength(ParseState *pstate, Query *qry, Node *parseTree) { ParseLoc stmt_len = 0; - /* - * If there is no information about the top RawStmt's length, leave it at - * 0 to use the whole string. - */ - if (pstate->p_stmt_len == 0) - return; - switch (nodeTag(parseTree)) { case T_InsertStmt: @@ -308,11 +302,12 @@ setQueryLocationAndLength(ParseState *pstate, Query *qry, Node *parseTree) /* Statement's length is known, use it */ qry->stmt_len = stmt_len; } - else + else if (pstate->p_stmt_len > 0) { /* - * Compute the statement's length from the statement's location and - * the RawStmt's length and location. + * The top RawStmt's length is known, so calculate the statement's + * length from the statement's location and the RawStmt's length and + * location. */ qry->stmt_len = pstate->p_stmt_len - (qry->stmt_location - pstate->p_stmt_location); } |