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Commit4faea7f

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Revert recent change of ScanOption values and renumber SO_TYPE_TIDSCAN.
Commit598b466 in v12 renumbered ScanOption enum values to addthe option for Tid scan. But the change of the codes assigned tothe existing values caused an ABI break and may break some extensionsdepending on them. This should be avoided in minor version.This commit reverts the renumbering of ScanOption enum values made bycommit598b466 in v12 and put the ScanOption for Tid scan with new value.This is applied only to v12.Per complaint from Tom Lane.Discussion:https://postgr.es/m/5261.1581103527@sss.pgh.pa.us
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‎src/include/access/tableam.h

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -47,19 +47,19 @@ typedef enum ScanOptions
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SO_TYPE_SEQSCAN=1 <<0,
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SO_TYPE_BITMAPSCAN=1 <<1,
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SO_TYPE_SAMPLESCAN=1 <<2,
50-
SO_TYPE_TIDSCAN=1 <<3,
51-
SO_TYPE_ANALYZE=1 <<4,
50+
SO_TYPE_ANALYZE=1 <<3,
51+
SO_TYPE_TIDSCAN=1 <<8,
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/* several of SO_ALLOW_* may be specified */
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/* allow or disallow use of access strategy */
55-
SO_ALLOW_STRAT=1 <<5,
55+
SO_ALLOW_STRAT=1 <<4,
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/* report location to syncscan logic? */
57-
SO_ALLOW_SYNC=1 <<6,
57+
SO_ALLOW_SYNC=1 <<5,
5858
/* verify visibility page-at-a-time? */
59-
SO_ALLOW_PAGEMODE=1 <<7,
59+
SO_ALLOW_PAGEMODE=1 <<6,
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/* unregister snapshot at scan end? */
62-
SO_TEMP_SNAPSHOT=1 <<8
62+
SO_TEMP_SNAPSHOT=1 <<7
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}ScanOptions;
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/*

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