JSON_TABLE This feature allows jsonb data to be treated as a table and thus used in a FROM clause like other tabular data. Data can be selected from the jsonb using jsonpath expressions, and hoisted out of nested structures in the jsonb to form multiple rows, more or less like an outer join.
Nikita Glukhov Reviewers have included (in no particular order) Andres Freund, Alexander Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zhihong Yu (whose name I previously misspelled), Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby. Discussion: https://postgr.es/m/[email protected] Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/4e34747c88a03ede6e9d731727815e37273d4bc9 Modified Files -------------- src/backend/commands/explain.c | 8 +- src/backend/executor/execExpr.c | 1 + src/backend/executor/execExprInterp.c | 18 +- src/backend/executor/nodeTableFuncscan.c | 23 +- src/backend/nodes/copyfuncs.c | 85 +++++ src/backend/nodes/equalfuncs.c | 65 ++++ src/backend/nodes/nodeFuncs.c | 27 ++ src/backend/nodes/outfuncs.c | 29 ++ src/backend/nodes/readfuncs.c | 31 ++ src/backend/parser/Makefile | 1 + src/backend/parser/gram.y | 199 +++++++++- src/backend/parser/parse_clause.c | 12 +- src/backend/parser/parse_expr.c | 32 +- src/backend/parser/parse_jsontable.c | 466 +++++++++++++++++++++++ src/backend/parser/parse_relation.c | 3 +- src/backend/parser/parse_target.c | 3 + src/backend/utils/adt/jsonpath_exec.c | 436 +++++++++++++++++++++ src/backend/utils/adt/ruleutils.c | 228 ++++++++++- src/backend/utils/misc/queryjumble.c | 2 + src/include/executor/execExpr.h | 4 + src/include/nodes/nodes.h | 4 + src/include/nodes/parsenodes.h | 48 +++ src/include/nodes/primnodes.h | 39 +- src/include/parser/kwlist.h | 3 + src/include/parser/parse_clause.h | 3 + src/include/utils/jsonpath.h | 4 + src/test/regress/expected/json_sqljson.out | 6 + src/test/regress/expected/jsonb_sqljson.out | 562 ++++++++++++++++++++++++++++ src/test/regress/sql/json_sqljson.sql | 4 + src/test/regress/sql/jsonb_sqljson.sql | 284 ++++++++++++++ src/tools/pgindent/typedefs.list | 9 + 31 files changed, 2605 insertions(+), 34 deletions(-)
