Akshay Joshi b36004b702 The following are the initial fixes for PG15: ... 1) From PG 15 onward, the datlastsysoid has been removed from the table pg_database. We have added the constant _DATABASE_LAST_SYSTEM_OID = 16383, all the objects below this value are considered to be system objects. Modified the pgAdmin logic accordingly. 2) Concatenation operator '||' needs a specific typecast to be applied to query variables. Modified SQL's accordingly. Fixes #7283		2022-05-17 20:32:17 +05:30
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pg	The following are the initial fixes for PG15:	2022-05-17 20:32:17 +05:30
ppas	The following are the initial fixes for PG15:	2022-05-17 20:32:17 +05:30