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Simplify pg_am representation of ordering-capable access methods:
provide just a boolean 'amcanorder', instead of fields that specify the sort operator strategy numbers. We have decided to require ordering-capable AMs to use btree-compatible strategy numbers, so the old fields are overkill (and indeed misleading about what's allowed).
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- doc/src/sgml/catalogs.sgml 4 additions, 15 deletionsdoc/src/sgml/catalogs.sgml
- doc/src/sgml/indexam.sgml 11 additions, 3 deletionsdoc/src/sgml/indexam.sgml
- doc/src/sgml/xindex.sgml 1 addition, 15 deletionsdoc/src/sgml/xindex.sgml
- src/backend/commands/indexcmds.c 2 additions, 3 deletionssrc/backend/commands/indexcmds.c
- src/backend/optimizer/util/plancat.c 9 additions, 7 deletionssrc/backend/optimizer/util/plancat.c
- src/backend/utils/adt/ruleutils.c 2 additions, 2 deletionssrc/backend/utils/adt/ruleutils.c
- src/include/catalog/catversion.h 2 additions, 2 deletionssrc/include/catalog/catversion.h
- src/include/catalog/pg_am.h 27 additions, 33 deletionssrc/include/catalog/pg_am.h
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