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Jonathan S. Katz

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Mention change of width of values generated by SERIAL sequences

This changed during pg10 development, but had not been documented.Co-authored-by: Jonathan S. Katz <jkatz@postgresql.org>Discussion:https://postgr.es/m/20180828163408.vl44nwetdybwffyk@alvherre.pgsql

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Original file line number	Diff line number	Diff line change
`@@ -4716,6 +4716,13 @@ Branch: REL_10_STABLE [5159626af] 2017-11-03 14:14:16 -0400`
`4716`	`4716`	`more compatible with existing code.`
`4717`	`4717`	`</para>`
`4718`	`4718`
	`4719`	`+ <para>`
	`4720`	`+ Also, sequences created for <literal>SERIAL</literal> columns now generate`
	`4721`	`+ positive 32-bit wide values, whereas previous versions generated 64-bit`
	`4722`	`+ wide values. This has no visible effect if the values are only stored in`
	`4723`	`+ a column.`
	`4724`	`+ </para>`
	`4725`	`+`
`4719`	`4726`	`<para>`
`4720`	`4727`	`The output of <application>psql</application>'s <command>\d</command> command for a`
`4721`	`4728`	`sequence has been redesigned, too.`

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