Commit890194f

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Comment fixes related to logical decoding.

Andres Freund, per complaints by Peter Eisentraut.

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lines changed

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,7 @@`
`33`	`33`
`34`	`34`	`PG_MODULE_MAGIC;`
`35`	`35`
	`36`	`+/* These must be available to pg_dlsym() */`
`36`	`37`	`externvoid_PG_init(void);`
`37`	`38`	`externvoid_PG_output_plugin_init(OutputPluginCallbacks*cb);`
`38`	`39`
`@@ -43,7 +44,6 @@ typedef struct`
`43`	`44`	`boolinclude_timestamp;`
`44`	`45`	`}TestDecodingData;`
`45`	`46`
`46`		`-/* These must be available to pg_dlsym() */`
`47`	`47`	`staticvoidpg_decode_startup(LogicalDecodingContextctx,OutputPluginOptionsopt,`
`48`	`48`	`boolis_init);`
`49`	`49`	`staticvoidpg_decode_shutdown(LogicalDecodingContext*ctx);`

Lines changed: 6 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -12,14 +12,17 @@`
`12`	`12`	`* together provide logical decoding, primarily by providing so`
`13`	`13`	`* called LogicalDecodingContexts. The goal is to encapsulate most of the`
`14`	`14`	`* internal complexity for consumers of logical decoding, so they can`
`15`		`- * create and consume a changestream with a low amount of code.`
	`15`	`+ * create and consume a changestream with a low amount of code. Builtin`
	`16`	`+ * consumers are the walsender and SQL SRF interface, but it's possible to`
	`17`	`+ * add further ones without changing core code, e.g. to consume changes in`
	`18`	`+ * a bgworker.`
`16`	`19`	`*`
`17`	`20`	`* The idea is that a consumer provides three callbacks, one to read WAL,`
`18`	`21`	`* one to prepare a data write, and a final one for actually writing since`
`19`	`22`	`* their implementation depends on the type of consumer. Check`
`20`		`- *logicalfunc.c for an exampleimplementations of a fairly simple consumer`
	`23`	`+ *logicalfuncs.c for an exampleimplementation of a fairly simple consumer`
`21`	`24`	`* and a implementation of a WAL reading callback that's suitable for`
`22`		`- *simpler consumers.`
	`25`	`+ *simple consumers.`
`23`	`26`	`*-------------------------------------------------------------------------`
`24`	`27`	`*/`
`25`	`28`

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