Commit0932658

Nikita Glukhov

committed

Add GUC jsonb_partial_decompression

1 parent026c7c2 commit0932658Copy full SHA for 0932658

File tree

+19

-2

lines changed

+19

-2

lines changed

Lines changed: 7 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -134,6 +134,7 @@ static JsonbValue fillCompressedJsonbValue(CompressedJsonb cjb,`
`134`	`134`	`uint32offset,JsonValue*result);`
`135`	`135`	`staticJsonbContainerjsonbzDecompress(JsonContainerjc);`
`136`	`136`
	`137`	`+booljsonb_partial_decompression= true;/GUC /`
`137`	`138`
`138`	`139`	`JsonValue*`
`139`	`140`	`JsonValueUnpackBinary(constJsonValue*jbv)`
`@@ -2654,7 +2655,8 @@ jsonbzIteratorInit(JsonContainer *jc)`
`2654`	`2655`	`Jsonbjb= (Jsonb)cjb->datum->data;`
`2655`	`2656`	`JsonbContainerHeaderjbc= (JsonbContainerHeader)((char*)jb+cjb->offset);`
`2656`	`2657`
`2657`		`-//CompressedDatumDecompressAll(cjb->datum);`
	`2658`	`+if (!jsonb_partial_decompression)`
	`2659`	`+CompressedDatumDecompressAll(cjb->datum);`
`2658`	`2660`
`2659`	`2661`	`returnjsonbIteratorInitExt(jc,jbc,cjb);`
`2660`	`2662`	`}`
`@@ -2669,7 +2671,10 @@ jsonbzInit(JsonContainerData *jc, Datum value)`
`2669`	`2671`	`cjb->offset= offsetof(Jsonb,root);`
`2670`	`2672`
`2671`	`2673`	`CompressedDatumInit(cd,value);`
`2672`		`-CompressedDatumDecompress(cd,256);`
	`2674`	`+if (!jsonb_partial_decompression)`
	`2675`	`+CompressedDatumDecompressAll(cd);`
	`2676`	`+else`
	`2677`	`+CompressedDatumDecompress(cd,256);`
`2673`	`2678`
`2674`	`2679`	`jsonbzInitContainer(jc,cjb,VARSIZE_ANY_EXHDR(cd->data));// cd->total_len - VARHDRSZ`
`2675`	`2680`	`}`

Lines changed: 10 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -101,6 +101,7 @@`
`101`	`101`	`#include"utils/bytea.h"`
`102`	`102`	`#include"utils/float.h"`
`103`	`103`	`#include"utils/guc_tables.h"`
	`104`	`+#include"utils/jsonb.h"`
`104`	`105`	`#include"utils/memutils.h"`
`105`	`106`	`#include"utils/pg_locale.h"`
`106`	`107`	`#include"utils/pg_lsn.h"`
`@@ -2182,6 +2183,15 @@ static struct config_bool ConfigureNamesBool[] =`
`2182`	`2183`	`NULL,NULL,NULL`
`2183`	`2184`	`},`
`2184`	`2185`
	`2186`	`+{`
	`2187`	`+{"jsonb_partial_decompression",PGC_USERSET,DEVELOPER_OPTIONS,`
	`2188`	`+gettext_noop("Use partial pglz decompression for jsonb."),`
	`2189`	`+},`
	`2190`	`+&jsonb_partial_decompression,`
	`2191`	`+true,`
	`2192`	`+NULL,NULL,NULL`
	`2193`	`+},`
	`2194`	`+`
`2185`	`2195`	`/* End-of-list marker */`
`2186`	`2196`	`{`
`2187`	`2197`	`{NULL,0,0,NULL,NULL},NULL, false,NULL,NULL,NULL`

Lines changed: 2 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -250,4 +250,6 @@ extern Datum jsonb_build_object_worker(int nargs, Datum args, bool nulls,`
`250`	`250`	`externDatumjsonb_build_array_worker(intnargs,Datumargs,boolnulls,`
`251`	`251`	`Oid*types,boolabsent_on_null);`
`252`	`252`
	`253`	`+externbooljsonb_partial_decompression;/* GUC */`
	`254`	`+`
`253`	`255`	`#endif/* __JSONB_H__ */`

Comments

(0)