Datum *resv, bool *resnull,
ExprEvalStep *scratch);
static void ExecInitJsonCoercion(ExprState *state, JsonReturning *returning,
- ErrorSaveContext *escontext,
+ ErrorSaveContext *escontext, bool omit_quotes,
Datum *resv, bool *resnull);
ExprEvalPushStep(state, scratch);
/*
- * Jump to coerce the NULL using coercion_expr if present. Coercing NULL
- * is only interesting when the RETURNING type is a domain whose
- * constraints must be checked. jsexpr->coercion_expr containing a
- * CoerceToDomain node must have been set in that case.
+ * Jump to coerce the NULL using json_populate_type() if needed. Coercing
+ * NULL is only interesting when the RETURNING type is a domain whose
+ * constraints must be checked. jsexpr->use_json_coercion must have been
+ * set in that case.
*/
- if (jsexpr->coercion_expr)
+ if (get_typtype(jsexpr->returning->typid) == TYPTYPE_DOMAIN &&
+ DomainHasConstraints(jsexpr->returning->typid))
{
+ Assert(jsexpr->use_json_coercion);
scratch->opcode = EEOP_JUMP;
scratch->d.jump.jumpdone = state->steps_len + 1;
ExprEvalPushStep(state, scratch);
* NULL returned on NULL input as described above.
*/
jsestate->jump_eval_coercion = -1;
- if (jsexpr->coercion_expr)
- {
- Datum *save_innermost_caseval;
- bool *save_innermost_casenull;
- ErrorSaveContext *save_escontext;
-
- jsestate->jump_eval_coercion = state->steps_len;
-
- save_innermost_caseval = state->innermost_caseval;
- save_innermost_casenull = state->innermost_casenull;
- save_escontext = state->escontext;
-
- state->innermost_caseval = resv;
- state->innermost_casenull = resnull;
- state->escontext = escontext;
-
- ExecInitExprRec((Expr *) jsexpr->coercion_expr, state, resv, resnull);
-
- state->innermost_caseval = save_innermost_caseval;
- state->innermost_casenull = save_innermost_casenull;
- state->escontext = save_escontext;
- }
- else if (jsexpr->use_json_coercion)
+ if (jsexpr->use_json_coercion)
{
jsestate->jump_eval_coercion = state->steps_len;
- ExecInitJsonCoercion(state, jsexpr->returning, escontext, resv, resnull);
+ ExecInitJsonCoercion(state, jsexpr->returning, escontext,
+ jsexpr->omit_quotes, resv, resnull);
}
else if (jsexpr->use_io_coercion)
{
/* Step to coerce the ON ERROR expression if needed */
if (jsexpr->on_error->coerce)
- ExecInitJsonCoercion(state, jsexpr->returning, escontext, resv,
- resnull);
+ ExecInitJsonCoercion(state, jsexpr->returning, escontext,
+ jsexpr->omit_quotes, resv, resnull);
/* JUMP to end to skip the ON EMPTY steps added below. */
jumps_to_end = lappend_int(jumps_to_end, state->steps_len);
/* Step to coerce the ON EMPTY expression if needed */
if (jsexpr->on_empty->coerce)
- ExecInitJsonCoercion(state, jsexpr->returning, escontext, resv,
- resnull);
+ ExecInitJsonCoercion(state, jsexpr->returning, escontext,
+ jsexpr->omit_quotes, resv, resnull);
}
foreach(lc, jumps_to_end)
*/
static void
ExecInitJsonCoercion(ExprState *state, JsonReturning *returning,
- ErrorSaveContext *escontext,
+ ErrorSaveContext *escontext, bool omit_quotes,
Datum *resv, bool *resnull)
{
ExprEvalStep scratch = {0};
scratch.d.jsonexpr_coercion.targettypmod = returning->typmod;
scratch.d.jsonexpr_coercion.json_populate_type_cache = NULL;
scratch.d.jsonexpr_coercion.escontext = escontext;
+ scratch.d.jsonexpr_coercion.omit_quotes = omit_quotes;
ExprEvalPushStep(state, &scratch);
}
if (!error)
{
- *op->resvalue = BoolGetDatum(exists);
*op->resnull = false;
+ if (jsexpr->use_json_coercion)
+ *op->resvalue = DirectFunctionCall1(jsonb_in,
+ BoolGetDatum(exists) ?
+ CStringGetDatum("true") :
+ CStringGetDatum("false"));
+ else
+ *op->resvalue = BoolGetDatum(exists);
}
}
break;
jsexpr->column_name);
*op->resnull = (DatumGetPointer(*op->resvalue) == NULL);
-
- /* Handle OMIT QUOTES. */
- if (!*op->resnull && jsexpr->omit_quotes)
- {
- val_string = JsonbUnquote(DatumGetJsonbP(*op->resvalue));
-
- /*
- * Pass the string as a text value to the cast expression if
- * one present. If not, use the input function call below to
- * do the coercion.
- */
- if (jump_eval_coercion >= 0)
- *op->resvalue =
- DirectFunctionCall1(textin,
- PointerGetDatum(val_string));
- }
break;
case JSON_VALUE_OP:
if (jbv == NULL)
{
- /* Will be coerced with coercion_expr, if any. */
+ /* Will be coerced with json_populate_type(), if needed. */
*op->resvalue = (Datum) 0;
*op->resnull = true;
}
val_string = DatumGetCString(DirectFunctionCall1(jsonb_out,
JsonbPGetDatum(JsonbValueToJsonb(jbv))));
}
+ else if (jsexpr->use_json_coercion)
+ {
+ *op->resvalue = JsonbPGetDatum(JsonbValueToJsonb(jbv));
+ *op->resnull = false;
+ }
else
{
val_string = ExecGetJsonValueItemString(jbv, op->resnull);
/*
- * Pass the string as a text value to the cast
- * expression if one present. If not, use the input
- * function call below to do the coercion.
+ * Simply convert to the default RETURNING type (text)
+ * if no coercion needed.
*/
- *op->resvalue = PointerGetDatum(val_string);
- if (jump_eval_coercion >= 0)
- *op->resvalue = DirectFunctionCall1(textin, *op->resvalue);
+ if (!jsexpr->use_io_coercion)
+ *op->resvalue = DirectFunctionCall1(textin,
+ CStringGetDatum(val_string));
}
}
break;
op->d.jsonexpr_coercion.targettypmod,
&op->d.jsonexpr_coercion.json_populate_type_cache,
econtext->ecxt_per_query_memory,
- op->resnull, (Node *) escontext);
+ op->resnull,
+ op->d.jsonexpr_coercion.omit_quotes,
+ (Node *) escontext);
}
/*
- * Checks if an error occurred either when evaluating JsonExpr.coercion_expr or
- * in ExecEvalJsonCoercion(). If so, this sets JsonExprState.error to trigger
- * the ON ERROR handling steps.
+ * Checks if an error occurred in ExecEvalJsonCoercion(). If so, this sets
+ * JsonExprState.error to trigger the ON ERROR handling steps.
*/
void
ExecEvalJsonCoercionFinish(ExprState *state, ExprEvalStep *op)
v_jump_coercion = l_int32_const(lc, jsestate->jump_eval_coercion);
LLVMAddCase(v_switch, v_jump_coercion, b_coercion);
}
- /* coercion_expr code */
+ /* jump_eval_coercion code */
LLVMPositionBuilderAtEnd(b, b_coercion);
if (jsestate->jump_eval_coercion >= 0)
LLVMBuildBr(b, opblocks[jsestate->jump_eval_coercion]);
{
const JsonExpr *jsexpr = (JsonExpr *) expr;
- if (jsexpr->coercion_expr)
- coll = exprCollation(jsexpr->coercion_expr);
- else
- coll = jsexpr->collation;
+ coll = jsexpr->collation;
}
break;
case T_JsonBehavior:
{
JsonExpr *jexpr = (JsonExpr *) expr;
- if (jexpr->coercion_expr)
- exprSetCollation((Node *) jexpr->coercion_expr, collation);
- else
- jexpr->collation = collation;
+ jexpr->collation = collation;
}
break;
case T_JsonBehavior:
return true;
if (WALK(jexpr->path_spec))
return true;
- if (WALK(jexpr->coercion_expr))
- return true;
if (WALK(jexpr->passing_values))
return true;
/* we assume walker doesn't care about passing_names */
FLATCOPY(newnode, jexpr, JsonExpr);
MUTATE(newnode->formatted_expr, jexpr->formatted_expr, Node *);
MUTATE(newnode->path_spec, jexpr->path_spec, Node *);
- MUTATE(newnode->coercion_expr, jexpr->coercion_expr, Node *);
MUTATE(newnode->passing_values, jexpr->passing_values, List *);
/* assume mutator does not care about passing_names */
MUTATE(newnode->on_empty, jexpr->on_empty, JsonBehavior *);
static void transformJsonPassingArgs(ParseState *pstate, const char *constructName,
JsonFormatType format, List *args,
List **passing_values, List **passing_names);
-static void coerceJsonExprOutput(ParseState *pstate, JsonExpr *jsexpr);
static JsonBehavior *transformJsonBehavior(ParseState *pstate, JsonBehavior *behavior,
JsonBehaviorType default_behavior,
JsonReturning *returning);
/* JSON_TABLE() COLUMNS can specify a non-boolean type. */
if (jsexpr->returning->typid != BOOLOID)
- {
- Node *coercion_expr;
- CaseTestExpr *placeholder = makeNode(CaseTestExpr);
- int location = exprLocation((Node *) jsexpr);
-
- /*
- * We abuse CaseTestExpr here as placeholder to pass the
- * result of evaluating JSON_EXISTS to the coercion
- * expression.
- */
- placeholder->typeId = BOOLOID;
- placeholder->typeMod = -1;
- placeholder->collation = InvalidOid;
-
- coercion_expr =
- coerce_to_target_type(pstate, (Node *) placeholder, BOOLOID,
- jsexpr->returning->typid,
- jsexpr->returning->typmod,
- COERCION_EXPLICIT,
- COERCE_IMPLICIT_CAST,
- location);
-
- if (coercion_expr == NULL)
- ereport(ERROR,
- (errcode(ERRCODE_CANNOT_COERCE),
- errmsg("cannot cast type %s to %s",
- format_type_be(BOOLOID),
- format_type_be(jsexpr->returning->typid)),
- parser_coercion_errposition(pstate, location, (Node *) jsexpr)));
-
- if (coercion_expr != (Node *) placeholder)
- jsexpr->coercion_expr = coercion_expr;
- }
+ jsexpr->use_json_coercion = true;
jsexpr->on_error = transformJsonBehavior(pstate, func->on_error,
JSON_BEHAVIOR_FALSE,
jsexpr->omit_quotes = (func->quotes == JS_QUOTES_OMIT);
jsexpr->wrapper = func->wrapper;
- coerceJsonExprOutput(pstate, jsexpr);
+ /*
+ * Set up to coerce the result value of JsonPathValue() to the
+ * RETURNING type (default or user-specified), if needed. Also if
+ * OMIT QUOTES is specified.
+ */
+ if (jsexpr->returning->typid != JSONBOID || jsexpr->omit_quotes)
+ jsexpr->use_json_coercion = true;
/* Assume NULL ON EMPTY when ON EMPTY is not specified. */
jsexpr->on_empty = transformJsonBehavior(pstate, func->on_empty,
/* Always omit quotes from scalar strings. */
jsexpr->omit_quotes = true;
- coerceJsonExprOutput(pstate, jsexpr);
+ /*
+ * Set up to coerce the result value of JsonPathValue() to the
+ * RETURNING type (default or user-specified), if needed.
+ */
+ if (jsexpr->returning->typid != TEXTOID)
+ {
+ if (get_typtype(jsexpr->returning->typid) == TYPTYPE_DOMAIN &&
+ DomainHasConstraints(jsexpr->returning->typid))
+ jsexpr->use_json_coercion = true;
+ else
+ jsexpr->use_io_coercion = true;
+ }
/* Assume NULL ON EMPTY when ON EMPTY is not specified. */
jsexpr->on_empty = transformJsonBehavior(pstate, func->on_empty,
}
}
-/*
- * Set up to coerce the result value of JSON_VALUE() / JSON_QUERY() to the
- * RETURNING type (default or user-specified), if needed.
- */
-static void
-coerceJsonExprOutput(ParseState *pstate, JsonExpr *jsexpr)
-{
- JsonReturning *returning = jsexpr->returning;
- Node *context_item = jsexpr->formatted_expr;
- int default_typmod;
- Oid default_typid;
- bool omit_quotes =
- jsexpr->op == JSON_QUERY_OP && jsexpr->omit_quotes;
- Node *coercion_expr = NULL;
-
- Assert(returning);
-
- /*
- * Check for cases where the coercion should be handled at runtime, that
- * is, without using a cast expression.
- */
- if (jsexpr->op == JSON_VALUE_OP)
- {
- /*
- * Use cast expressions for types with typmod and domain types.
- */
- if (returning->typmod == -1 &&
- get_typtype(returning->typid) != TYPTYPE_DOMAIN)
- {
- jsexpr->use_io_coercion = true;
- return;
- }
- }
- else if (jsexpr->op == JSON_QUERY_OP)
- {
- /*
- * Cast functions from jsonb to the following types (jsonb_bool() et
- * al) don't handle errors softly, so coerce either by calling
- * json_populate_type() or the type's input function so that any
- * errors are handled appropriately. The latter only if OMIT QUOTES is
- * true.
- */
- switch (returning->typid)
- {
- case BOOLOID:
- case NUMERICOID:
- case INT2OID:
- case INT4OID:
- case INT8OID:
- case FLOAT4OID:
- case FLOAT8OID:
- if (jsexpr->omit_quotes)
- jsexpr->use_io_coercion = true;
- else
- jsexpr->use_json_coercion = true;
- return;
- default:
- break;
- }
- }
-
- /* Look up a cast expression. */
-
- /*
- * For JSON_VALUE() and for JSON_QUERY() when OMIT QUOTES is true,
- * ExecEvalJsonExprPath() will convert a quote-stripped source value to
- * its text representation, so use TEXTOID as the source type.
- */
- if (omit_quotes || jsexpr->op == JSON_VALUE_OP)
- {
- default_typid = TEXTOID;
- default_typmod = -1;
- }
- else
- {
- default_typid = exprType(context_item);
- default_typmod = exprTypmod(context_item);
- }
-
- if (returning->typid != default_typid ||
- returning->typmod != default_typmod)
- {
- /*
- * We abuse CaseTestExpr here as placeholder to pass the result of
- * jsonpath evaluation as input to the coercion expression.
- */
- CaseTestExpr *placeholder = makeNode(CaseTestExpr);
-
- placeholder->typeId = default_typid;
- placeholder->typeMod = default_typmod;
-
- coercion_expr = coerceJsonFuncExpr(pstate, (Node *) placeholder,
- returning, false);
- if (coercion_expr == (Node *) placeholder)
- coercion_expr = NULL;
- }
-
- jsexpr->coercion_expr = coercion_expr;
-
- if (coercion_expr == NULL)
- {
- /*
- * Either no cast was found or coercion is unnecessary but still must
- * convert the string value to the output type.
- */
- if (omit_quotes || jsexpr->op == JSON_VALUE_OP)
- jsexpr->use_io_coercion = true;
- else
- jsexpr->use_json_coercion = true;
- }
-
- Assert(jsexpr->coercion_expr != NULL ||
- (jsexpr->use_io_coercion != jsexpr->use_json_coercion));
-}
-
/*
* Recursively checks if the given expression, or its sub-node in some cases,
* is valid for using as an ON ERROR / ON EMPTY DEFAULT expression.
btype == default_behavior))
coerce_at_runtime = true;
else
+ {
+ int32 baseTypmod = returning->typmod;
+
+ if (get_typtype(returning->typid) == TYPTYPE_DOMAIN)
+ (void) getBaseTypeAndTypmod(returning->typid, &baseTypmod);
+
+ if (baseTypmod > 0)
+ expr = coerce_to_specific_type(pstate, expr, TEXTOID,
+ "JSON_FUNCTION()");
coerced_expr =
coerce_to_target_type(pstate, expr, exprType(expr),
- returning->typid, returning->typmod,
- COERCION_EXPLICIT, COERCE_EXPLICIT_CAST,
+ returning->typid, baseTypmod,
+ baseTypmod > 0 ? COERCION_IMPLICIT :
+ COERCION_EXPLICIT,
+ baseTypmod > 0 ? COERCE_IMPLICIT_CAST :
+ COERCE_EXPLICIT_CAST,
exprLocation((Node *) behavior));
+ }
if (coerced_expr == NULL)
ereport(ERROR,
HeapTupleHeader defaultval, JsValue *jsv, bool *isnull,
Node *escontext);
static Datum populate_scalar(ScalarIOData *io, Oid typid, int32 typmod, JsValue *jsv,
- bool *isnull, Node *escontext);
+ bool *isnull, Node *escontext, bool omit_quotes);
static void prepare_column_cache(ColumnIOData *column, Oid typid, int32 typmod,
MemoryContext mcxt, bool need_scalar);
static Datum populate_record_field(ColumnIOData *col, Oid typid, int32 typmod,
const char *colname, MemoryContext mcxt, Datum defaultval,
- JsValue *jsv, bool *isnull, Node *escontext);
+ JsValue *jsv, bool *isnull, Node *escontext,
+ bool omit_quotes);
static RecordIOData *allocate_record_info(MemoryContext mcxt, int ncolumns);
static bool JsObjectGetField(JsObject *obj, char *field, JsValue *jsv);
static void populate_recordset_record(PopulateRecordsetState *state, JsObject *obj);
ctx->aio->element_type,
ctx->aio->element_typmod,
NULL, ctx->mcxt, PointerGetDatum(NULL),
- jsv, &element_isnull, ctx->escontext);
+ jsv, &element_isnull, ctx->escontext,
+ false);
/* Nothing to do on an error. */
if (SOFT_ERROR_OCCURRED(ctx->escontext))
return false;
*/
static Datum
populate_scalar(ScalarIOData *io, Oid typid, int32 typmod, JsValue *jsv,
- bool *isnull, Node *escontext)
+ bool *isnull, Node *escontext, bool omit_quotes)
{
Datum res;
char *str = NULL;
{
JsonbValue *jbv = jsv->val.jsonb;
- if (typid == JSONBOID)
+ if (jbv->type == jbvString && omit_quotes)
+ str = pnstrdup(jbv->val.string.val, jbv->val.string.len);
+ else if (typid == JSONBOID)
{
Jsonb *jsonb = JsonbValueToJsonb(jbv); /* directly use jsonb */
res = populate_record_field(io->base_io,
io->base_typid, io->base_typmod,
colname, mcxt, PointerGetDatum(NULL),
- jsv, isnull, escontext);
+ jsv, isnull, escontext, false);
Assert(!*isnull || SOFT_ERROR_OCCURRED(escontext));
}
json_populate_type(Datum json_val, Oid json_type,
Oid typid, int32 typmod,
void **cache, MemoryContext mcxt,
- bool *isnull,
+ bool *isnull, bool omit_quotes,
Node *escontext)
{
JsValue jsv = {0};
jsv.val.jsonb = &jbv;
- /* fill binary jsonb value pointing to jb */
- jbv.type = jbvBinary;
- jbv.val.binary.data = &jsonb->root;
- jbv.val.binary.len = VARSIZE(jsonb) - VARHDRSZ;
+ if (omit_quotes)
+ {
+ char *str = JsonbUnquote(DatumGetJsonbP(json_val));
+
+ /* fill the quote-stripped string */
+ jbv.type = jbvString;
+ jbv.val.string.len = strlen(str);
+ jbv.val.string.val = str;
+ }
+ else
+ {
+ /* fill binary jsonb value pointing to jb */
+ jbv.type = jbvBinary;
+ jbv.val.binary.data = &jsonb->root;
+ jbv.val.binary.len = VARSIZE(jsonb) - VARHDRSZ;
+ }
}
if (*cache == NULL)
return populate_record_field(*cache, typid, typmod, NULL, mcxt,
PointerGetDatum(NULL), &jsv, isnull,
- escontext);
+ escontext, omit_quotes);
}
/* recursively populate a record field or an array element from a json/jsonb value */
Datum defaultval,
JsValue *jsv,
bool *isnull,
- Node *escontext)
+ Node *escontext,
+ bool omit_scalar_quotes)
{
TypeCat typcat;
{
case TYPECAT_SCALAR:
return populate_scalar(&col->scalar_io, typid, typmod, jsv,
- isnull, escontext);
+ isnull, escontext, omit_scalar_quotes);
case TYPECAT_ARRAY:
return populate_array(&col->io.array, colname, mcxt, jsv,
nulls[i] ? (Datum) 0 : values[i],
&field,
&nulls[i],
- escontext);
+ escontext,
+ false);
}
res = heap_form_tuple(tupdesc, values, nulls);
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 202406171
+#define CATALOG_VERSION_NO 202406281
#endif
{
Oid targettype;
int32 targettypmod;
+ bool omit_quotes;
void *json_populate_type_cache;
ErrorSaveContext *escontext;
} jsonexpr_coercion;
/*
* Address of the step to coerce the result value of jsonpath evaluation
- * to the RETURNING type using JsonExpr.coercion_expr. -1 if no coercion
- * is necessary or if either JsonExpr.use_io_coercion or
- * JsonExpr.use_json_coercion is true.
+ * to the RETURNING type. -1 if no coercion if JsonExpr.use_io_coercion
+ * is true.
*/
int jump_eval_coercion;
/*
* Information about converting the result of jsonpath functions
* JsonPathQuery() and JsonPathValue() to the RETURNING type.
- *
- * coercion_expr is a cast expression if the parser can find it for the
- * source and the target type. If not, either use_io_coercion or
- * use_json_coercion is set to determine the coercion method to use at
- * runtime; see coerceJsonExprOutput() and ExecInitJsonExpr().
*/
- Node *coercion_expr;
bool use_io_coercion;
bool use_json_coercion;
/* KEEP or OMIT QUOTES for singleton scalars returned by JSON_QUERY() */
bool omit_quotes;
- /* JsonExpr's collation, if coercion_expr is NULL. */
+ /* JsonExpr's collation. */
Oid collation;
/* Original JsonFuncExpr's location */
Oid typid, int32 typmod,
void **cache, MemoryContext mcxt,
bool *isnull,
+ bool omit_quotes,
Node *escontext);
#endif
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 1 | 1 | 1 | 1 | t | 1 | 1 | 1 | 1
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 2 | | 1.23 | 1.23 | | 1.23 | 1.23 | 1.23 | 1.23
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 3 | 2 | 2 | 2 | | 2 | 2 | "2" | "2"
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 4 | | aaaaaaa | aaaa | | | aaaaaaa | "aaaaaaa" | "aaaaaaa"
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 4 | | aaaaaaa | | | | aaaaaaa | "aaaaaaa" | "aaaaaaa"
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 5 | | foo | foo | | | | "foo" | "foo"
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 6 | | | | | | | null | null
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 7 | | f | f | f | | f | false | false
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 8 | | t | t | t | | t | true | true
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 7 | | f | f | f | | false | false | false
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 8 | | t | t | t | | true | true | true
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 9 | | | | | | | {"aaa": 123} | {"aaa": 123}
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 10 | | [1,2] | [1,2 | | | [1,2] | "[1,2]" | "[1,2]"
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 11 | | "str" | "str | | | "str" | "\"str\"" | "\"str\""
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 10 | | [1,2] | | | | [1,2] | "[1,2]" | "[1,2]"
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 11 | | "str" | | | | "str" | "\"str\"" | "\"str\""
(14 rows)
-- "formatted" columns
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 1 | 1 | 1 | 1 | 1 | 1
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 2 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 3 | "2" | "2" | "2" | "2" | 2
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 4 | "aaaaaaa" | "aaa | "aaa | "aaaaaaa" |
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 5 | "foo" | "foo | "foo | "foo" |
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 4 | "aaaaaaa" | | | "aaaaaaa" |
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 5 | "foo" | | | "foo" |
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 6 | null | null | null | null | null
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 7 | false | fals | fals | false | false
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 7 | false | | | false | false
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 8 | true | true | true | true | true
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 9 | {"aaa": 123} | {"aa | {"aa | {"aaa": 123} | {"aaa": 123}
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 10 | "[1,2]" | "[1, | "[1, | "[1,2]" | [1, 2]
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 11 | "\"str\"" | "\"s | "\"s | "\"str\"" | "str"
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 9 | {"aaa": 123} | | | {"aaa": 123} | {"aaa": 123}
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 10 | "[1,2]" | | | "[1,2]" | [1, 2]
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 11 | "\"str\"" | | | "\"str\"" | "str"
(14 rows)
-- EXISTS columns
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 6 | f | 0 | | false
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 7 | f | 0 | | false
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 8 | f | 0 | | false
- [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 9 | t | 1 | 1 | true
+ [1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 9 | t | 0 | | true
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 10 | f | 0 | | false
[1, 1.23, "2", "aaaaaaa", "foo", null, false, true, {"aaa": 123}, "[1,2]", "\"str\""] | 11 | f | 0 | | false
(14 rows)
(1 row)
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a int2 EXISTS PATH '$.a'));
-ERROR: cannot cast type boolean to smallint
-LINE 1: ...ELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a int2 EXI...
- ^
+ERROR: cannot cast behavior expression of type boolean to smallint
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a int8 EXISTS PATH '$.a'));
-ERROR: cannot cast type boolean to bigint
-LINE 1: ...ELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a int8 EXI...
- ^
+ERROR: cannot cast behavior expression of type boolean to bigint
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a float4 EXISTS PATH '$.a'));
-ERROR: cannot cast type boolean to real
-LINE 1: ...ELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a float4 E...
- ^
-SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a char(3) EXISTS PATH '$.a'));
- a
------
- fal
+ERROR: cannot cast behavior expression of type boolean to real
+SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a char(5) EXISTS PATH '$.a'));
+ a
+-------
+ false
(1 row)
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a json EXISTS PATH '$.a'));
-ERROR: cannot cast type boolean to json
-LINE 1: ...ELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a json EXI...
- ^
+ERROR: cannot cast behavior expression of type boolean to json
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a jsonb EXISTS PATH '$.a'));
-ERROR: cannot cast type boolean to jsonb
-LINE 1: ...ELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a jsonb EX...
- ^
+ERROR: cannot cast behavior expression of type boolean to jsonb
-- JSON_TABLE: WRAPPER/QUOTES clauses on scalar columns
SELECT * FROM JSON_TABLE(jsonb '"world"', '$' COLUMNS (item text PATH '$' KEEP QUOTES ON SCALAR STRING));
item
aaa
(1 row)
+SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(2) ERROR ON ERROR);
+ERROR: value too long for type character(2)
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(2));
json_value
------------
- aa
+
+(1 row)
+
+SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(3) ERROR ON ERROR);
+ json_value
+------------
+ aaa
(1 row)
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING json);
(1 row)
-- Behavior when a RETURNING type has typmod != -1
-SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(2));
+SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3) ERROR ON ERROR);
+ERROR: value too long for type character(3)
+SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3));
json_query
------------
- "a
+
(1 row)
-SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(2) OMIT QUOTES);
+SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3) OMIT QUOTES ERROR ON ERROR);
json_query
------------
- aa
+ aaa
(1 row)
-SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT 'bbb' ON EMPTY);
+SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT 'bb' ON EMPTY);
json_query
------------
bb
(1 row)
-SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT '"bbb"'::jsonb ON EMPTY);
- json_query
-------------
- "b
-(1 row)
-
+SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT '"bb"'::jsonb ON EMPTY);
+ERROR: value too long for type character(2)
-- OMIT QUOTES behavior should not be specified when WITH WRAPPER used:
-- Should fail
SELECT JSON_QUERY(jsonb '[1]', '$' WITH WRAPPER OMIT QUOTES);
[1, 2]
(1 row)
-SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING char(3));
- json_query
-------------
- [1,
-(1 row)
-
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING text FORMAT JSON);
json_query
------------
LINE 1: SELECT JSON_QUERY(jsonb '1', '$' TRUE ON ERROR);
^
DETAIL: Only ERROR, NULL, EMPTY [ ARRAY ], EMPTY OBJECT, or DEFAULT expression is allowed in ON ERROR for JSON_QUERY().
+-- Test implicit coercion domain over fixed-legth type specified in RETURNING
+CREATE DOMAIN queryfuncs_char2 AS char(2);
+CREATE DOMAIN queryfuncs_char2_chk AS char(2) CHECK (VALUE NOT IN ('12'));
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2 ERROR ON ERROR);
+ERROR: value too long for type character(2)
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2 DEFAULT '1' ON ERROR);
+ json_query
+------------
+ 1
+(1 row)
+
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2_chk ERROR ON ERROR);
+ERROR: value too long for type character(2)
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2_chk DEFAULT '1' ON ERROR);
+ json_query
+------------
+ 1
+(1 row)
+
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2 ERROR ON ERROR);
+ERROR: value too long for type character(2)
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2 DEFAULT 1 ON ERROR);
+ json_value
+------------
+ 1
+(1 row)
+
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2_chk ERROR ON ERROR);
+ERROR: value too long for type character(2)
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2_chk DEFAULT 1 ON ERROR);
+ json_value
+------------
+ 1
+(1 row)
+
+DROP DOMAIN queryfuncs_char2, queryfuncs_char2_chk;
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a int2 EXISTS PATH '$.a'));
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a int8 EXISTS PATH '$.a'));
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a float4 EXISTS PATH '$.a'));
-SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a char(3) EXISTS PATH '$.a'));
+SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a char(5) EXISTS PATH '$.a'));
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a json EXISTS PATH '$.a'));
SELECT * FROM JSON_TABLE(jsonb '"a"', '$' COLUMNS (a jsonb EXISTS PATH '$.a'));
SELECT JSON_VALUE(jsonb '"aaa"', '$');
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING text);
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(5));
+SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(2) ERROR ON ERROR);
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(2));
+SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING char(3) ERROR ON ERROR);
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING json);
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING jsonb);
SELECT JSON_VALUE(jsonb '"aaa"', '$' RETURNING json ERROR ON ERROR);
SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING bytea FORMAT JSON OMIT QUOTES ERROR ON ERROR);
-- Behavior when a RETURNING type has typmod != -1
-SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(2));
-SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(2) OMIT QUOTES);
-SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT 'bbb' ON EMPTY);
-SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT '"bbb"'::jsonb ON EMPTY);
+SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3) ERROR ON ERROR);
+SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3));
+SELECT JSON_QUERY(jsonb '"aaa"', '$' RETURNING char(3) OMIT QUOTES ERROR ON ERROR);
+SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT 'bb' ON EMPTY);
+SELECT JSON_QUERY(jsonb '"aaa"', '$.a' RETURNING char(2) OMIT QUOTES DEFAULT '"bb"'::jsonb ON EMPTY);
-- OMIT QUOTES behavior should not be specified when WITH WRAPPER used:
-- Should fail
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING jsonb FORMAT JSON);
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING text);
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING char(10));
-SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING char(3));
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING text FORMAT JSON);
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING bytea);
SELECT JSON_QUERY(jsonb '[1,2]', '$' RETURNING bytea FORMAT JSON);
SELECT JSON_EXISTS(jsonb '1', '$' DEFAULT 1 ON ERROR);
SELECT JSON_VALUE(jsonb '1', '$' EMPTY ON ERROR);
SELECT JSON_QUERY(jsonb '1', '$' TRUE ON ERROR);
+
+-- Test implicit coercion domain over fixed-legth type specified in RETURNING
+CREATE DOMAIN queryfuncs_char2 AS char(2);
+CREATE DOMAIN queryfuncs_char2_chk AS char(2) CHECK (VALUE NOT IN ('12'));
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2 ERROR ON ERROR);
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2 DEFAULT '1' ON ERROR);
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2_chk ERROR ON ERROR);
+SELECT JSON_QUERY(jsonb '123', '$' RETURNING queryfuncs_char2_chk DEFAULT '1' ON ERROR);
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2 ERROR ON ERROR);
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2 DEFAULT 1 ON ERROR);
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2_chk ERROR ON ERROR);
+SELECT JSON_VALUE(jsonb '123', '$' RETURNING queryfuncs_char2_chk DEFAULT 1 ON ERROR);
+DROP DOMAIN queryfuncs_char2, queryfuncs_char2_chk;