Add oid column for pg_description, pg_attribute, pg_type, pg_attrdef table of OpenGauss

[jiangML]

Fixes #ISSUSE_ID.

Changes proposed in this pull request:

• Add oid column for pg_description, pg_attribute, pg_type, pg_attrdef table of OpenGauss
• Change default version from 12.3 to 9.2.4 of openGauss

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