[postgresql-interfaces/psqlodbc] issue #31: While executing more than 2 queries in single transaction giving MSG: internal SAVEPOINT failed

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From: ajayn249 (@ajayn249) <[email protected]>
To: postgresql-interfaces/psqlodbc <[email protected]>
Subject: [postgresql-interfaces/psqlodbc] issue #31: While executing more than 2 queries in single transaction giving MSG: internal SAVEPOINT failed
Date: Mon, 08 Jul 2024 17:54:28 +0000
Message-ID: <[email protected]> (raw)

1865:[7f750f6af500]statement.[ParseAndDescribeWithLibpq]2948: entering plan_name=_PLAN0x243f340 query=SAVEPOINT PIPECMD
1868:[7f750f6af500]statement.[ParseWithLibpq]2809: entering plan_name=_PLAN0x243f340 query=SAVEPOINT PIPECMD
1912:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='DEALLOCATE "_PLAN0x243f340"'
1969:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='SAVEPOINT _EXEC_SVP_0x24253d0'
1995:[7f750f6af500]statement.[ParseAndDescribeWithLibpq]2948: entering plan_name=_PLAN0x243f340 query=select count() from carrier
1998:[7f750f6af500]statement.[ParseWithLibpq]2809: entering plan_name=_PLAN0x243f340 query=select count() from carrier
2051:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='DEALLOCATE "_PLAN0x243f340"'
2118:[7f750f6af500]statement.[ParseAndDescribeWithLibpq]2948: entering plan_name=_PLAN0x243f340 query=ROLLBACK TO PIPECMD
2121:[7f750f6af500]statement.[ParseWithLibpq]2809: entering plan_name=_PLAN0x243f340 query=ROLLBACK TO PIPECMD
2165:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='DEALLOCATE "_PLAN0x243f340"'
2231:[7f750f6af500]statement.[ParseAndDescribeWithLibpq]2948: entering plan_name=_PLAN0x243f340 query=RELEASE SAVEPOINT PIPECMD
2234:[7f750f6af500]statement.[ParseWithLibpq]2809: entering plan_name=_PLAN0x243f340 query=RELEASE SAVEPOINT PIPECMD
2278:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='DEALLOCATE "_PLAN0x243f340"'
2343:[7f750f6af500]statement.[ParseAndDescribeWithLibpq]2948: entering plan_name=_PLAN0x243f340 query=SAVEPOINT PIPECMD
2346:[7f750f6af500]statement.[ParseWithLibpq]2809: entering plan_name=_PLAN0x243f340 query=SAVEPOINT PIPECMD
2390:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='DEALLOCATE "_PLAN0x243f340"'
2447:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='RELEASE _EXEC_SVP_0x24253d0;SAVEPOINT _EXEC_SVP_0x24253d0'
2467:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='ROLLBACK'
2548:[7f750f6af500]connection[CC_send_query_append]1809: conn=0x24253d0, query='BEGIN
2572:[7f750f6af500]statement.[ParseAndDescribeWithLibpq]2948: entering plan_name=_PLAN0x243f340 query=ROLLBACK TO PIPECMD
2575:[7f750f6af500]statement.[ParseWithLibpq]2809: entering plan_name=_PLAN0x243f340 query=ROLLBACK TO PIPECMD

While executing 3rd query 'RELEASE _EXEC_SVP_0x24253d0;SAVEPOINT _EXEC_SVP_0x24253d0' is coming and letting it to ROLLBACK and because of this SAVEPOINT _EXEC_SVP_0x24253d0 is giving error for MSG: internal SAVEPOINT failed.

In code i have observed in file execute.c #ifdef _RELEASE_INTERNAL_SAVEPOINT is defined which is actually responsible for
RELEASE _EXEC_SVP_0x24253d0 command to execute. Macro is defined in connection.h file. If i dont want to use RELEASE query or undefined that macro how i can do that.????
Is there any alternative way i can avoid this.

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  To: github://postgresql-interfaces/psqlodbc
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  Subject: Re: [postgresql-interfaces/psqlodbc] issue #31: While executing more than 2 queries in single transaction giving MSG: internal SAVEPOINT failed
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