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parse_test.go
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//go:build cgo
// +build cgo
package pg_query_test
import (
"fmt"
"reflect"
"sync"
"testing"
"github.com/google/go-cmp/cmp"
pg_query "github.com/pganalyze/pg_query_go/v5"
"github.com/pganalyze/pg_query_go/v5/parser"
"google.golang.org/protobuf/testing/protocmp"
)
var parseTests = []struct {
input string
expectedJSON string
expectedTree *pg_query.ParseResult
}{
{
"SELECT 1",
`{"version":160001,"stmts":[{"stmt":{"SelectStmt":{"targetList":[{"ResTarget":{"val":{"A_Const":{"ival":{"ival":1},"location":7}},"location":7}}],"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}}}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
TargetList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithVal(
pg_query.MakeAConstIntNode(1, 7),
7,
),
},
},
},
},
},
},
},
},
{
"SELECT * FROM x WHERE z = 1",
`{"version":160001,"stmts":[{"stmt":{"SelectStmt":{"targetList":[{"ResTarget":{"val":{"ColumnRef":{"fields":[{"A_Star":{}}],"location":7}},"location":7}}],"fromClause":[{"RangeVar":{"relname":"x","inh":true,"relpersistence":"p","location":14}}],"whereClause":{"A_Expr":{"kind":"AEXPR_OP","name":[{"String":{"sval":"="}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"z"}}],"location":22}},"rexpr":{"A_Const":{"ival":{"ival":1},"location":26}},"location":24}},"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}}}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
TargetList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithVal(
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeAStarNode(),
},
7,
),
7,
),
},
FromClause: []*pg_query.Node{
pg_query.MakeSimpleRangeVarNode("x", 14),
},
WhereClause: &pg_query.Node{
Node: &pg_query.Node_AExpr{
AExpr: &pg_query.A_Expr{
Kind: pg_query.A_Expr_Kind_AEXPR_OP,
Name: []*pg_query.Node{
pg_query.MakeStrNode("="),
},
Lexpr: pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("z"),
},
22,
),
Rexpr: pg_query.MakeAConstIntNode(1, 26),
Location: 24,
},
},
},
},
},
},
},
},
},
},
{
`INSERT INTO "schema_index_stats" ("snapshot_id","schema_index_id","size_bytes") VALUES (11710849,8448632,16384),(11710849,8448633,16384) RETURNING id`,
`{"version":160001,"stmts":[{"stmt":{"InsertStmt":{"relation":{"relname":"schema_index_stats","inh":true,"relpersistence":"p","location":12},"cols":[{"ResTarget":{"name":"snapshot_id","location":34}},{"ResTarget":{"name":"schema_index_id","location":48}},{"ResTarget":{"name":"size_bytes","location":66}}],"selectStmt":{"SelectStmt":{"valuesLists":[{"List":{"items":[{"A_Const":{"ival":{"ival":11710849},"location":88}},{"A_Const":{"ival":{"ival":8448632},"location":97}},{"A_Const":{"ival":{"ival":16384},"location":105}}]}},{"List":{"items":[{"A_Const":{"ival":{"ival":11710849},"location":113}},{"A_Const":{"ival":{"ival":8448633},"location":122}},{"A_Const":{"ival":{"ival":16384},"location":130}}]}}],"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}},"returningList":[{"ResTarget":{"val":{"ColumnRef":{"fields":[{"String":{"sval":"id"}}],"location":147}},"location":147}}],"override":"OVERRIDING_NOT_SET"}}}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_InsertStmt{
InsertStmt: &pg_query.InsertStmt{
Relation: pg_query.MakeSimpleRangeVar("schema_index_stats", 12),
Cols: []*pg_query.Node{
pg_query.MakeResTargetNodeWithName("snapshot_id", 34),
pg_query.MakeResTargetNodeWithName("schema_index_id", 48),
pg_query.MakeResTargetNodeWithName("size_bytes", 66),
},
Override: pg_query.OverridingKind_OVERRIDING_NOT_SET,
SelectStmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
ValuesLists: []*pg_query.Node{
pg_query.MakeListNode([]*pg_query.Node{
pg_query.MakeAConstIntNode(11710849, 88),
pg_query.MakeAConstIntNode(8448632, 97),
pg_query.MakeAConstIntNode(16384, 105),
}),
pg_query.MakeListNode([]*pg_query.Node{
pg_query.MakeAConstIntNode(11710849, 113),
pg_query.MakeAConstIntNode(8448633, 122),
pg_query.MakeAConstIntNode(16384, 130),
}),
},
},
},
},
ReturningList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithVal(
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("id"),
},
147,
),
147,
),
},
},
},
},
},
},
},
},
{
"SELECT * FROM x WHERE y IN ($1)",
`{"version":160001,"stmts":[{"stmt":{"SelectStmt":{"targetList":[{"ResTarget":{"val":{"ColumnRef":{"fields":[{"A_Star":{}}],"location":7}},"location":7}}],"fromClause":[{"RangeVar":{"relname":"x","inh":true,"relpersistence":"p","location":14}}],"whereClause":{"A_Expr":{"kind":"AEXPR_IN","name":[{"String":{"sval":"="}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"y"}}],"location":22}},"rexpr":{"List":{"items":[{"ParamRef":{"number":1,"location":28}}]}},"location":24}},"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}}}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
TargetList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithVal(
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeAStarNode(),
},
7,
),
7,
),
},
FromClause: []*pg_query.Node{
pg_query.MakeSimpleRangeVarNode("x", 14),
},
WhereClause: &pg_query.Node{
Node: &pg_query.Node_AExpr{
AExpr: &pg_query.A_Expr{
Kind: pg_query.A_Expr_Kind_AEXPR_IN,
Name: []*pg_query.Node{
pg_query.MakeStrNode("="),
},
Lexpr: pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("y"),
},
22,
),
Rexpr: pg_query.MakeListNode([]*pg_query.Node{
pg_query.MakeParamRefNode(1, 28),
}),
Location: 24,
},
},
},
},
},
},
},
},
},
},
{
`SELECT n.nspname as "Schema",
c.relname as "Name",
CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'm' THEN 'materialized view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 's' THEN 'special' WHEN 'f' THEN 'foreign table' END as "Type",
pg_catalog.pg_get_userbyid(c.relowner) as "Owner"
FROM pg_catalog.pg_class c
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind IN ('r','')
AND n.nspname <> 'pg_catalog'
AND n.nspname <> 'information_schema'
AND n.nspname !~ '^pg_toast'
AND pg_catalog.pg_table_is_visible(c.oid)
ORDER BY 1,2;`,
`{"version":160001,"stmts":[{"stmt":{"SelectStmt":{"targetList":[{"ResTarget":{"name":"Schema","val":{"ColumnRef":{"fields":[{"String":{"sval":"n"}},{"String":{"sval":"nspname"}}],"location":7}},"location":7}},{"ResTarget":{"name":"Name","val":{"ColumnRef":{"fields":[{"String":{"sval":"c"}},{"String":{"sval":"relname"}}],"location":36}},"location":36}},{"ResTarget":{"name":"Type","val":{"CaseExpr":{"arg":{"ColumnRef":{"fields":[{"String":{"sval":"c"}},{"String":{"sval":"relkind"}}],"location":68}},"args":[{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"r"},"location":83}},"result":{"A_Const":{"sval":{"sval":"table"},"location":92}},"location":78}},{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"v"},"location":105}},"result":{"A_Const":{"sval":{"sval":"view"},"location":114}},"location":100}},{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"m"},"location":126}},"result":{"A_Const":{"sval":{"sval":"materialized view"},"location":135}},"location":121}},{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"i"},"location":160}},"result":{"A_Const":{"sval":{"sval":"index"},"location":169}},"location":155}},{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"S"},"location":182}},"result":{"A_Const":{"sval":{"sval":"sequence"},"location":191}},"location":177}},{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"s"},"location":207}},"result":{"A_Const":{"sval":{"sval":"special"},"location":216}},"location":202}},{"CaseWhen":{"expr":{"A_Const":{"sval":{"sval":"f"},"location":231}},"result":{"A_Const":{"sval":{"sval":"foreign table"},"location":240}},"location":226}}],"location":63}},"location":63}},{"ResTarget":{"name":"Owner","val":{"FuncCall":{"funcname":[{"String":{"sval":"pg_catalog"}},{"String":{"sval":"pg_get_userbyid"}}],"args":[{"ColumnRef":{"fields":[{"String":{"sval":"c"}},{"String":{"sval":"relowner"}}],"location":304}}],"funcformat":"COERCE_EXPLICIT_CALL","location":277}},"location":277}}],"fromClause":[{"JoinExpr":{"jointype":"JOIN_LEFT","larg":{"RangeVar":{"schemaname":"pg_catalog","relname":"pg_class","inh":true,"relpersistence":"p","alias":{"aliasname":"c"},"location":336}},"rarg":{"RangeVar":{"schemaname":"pg_catalog","relname":"pg_namespace","inh":true,"relpersistence":"p","alias":{"aliasname":"n"},"location":374}},"quals":{"A_Expr":{"kind":"AEXPR_OP","name":[{"String":{"sval":"="}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"n"}},{"String":{"sval":"oid"}}],"location":403}},"rexpr":{"ColumnRef":{"fields":[{"String":{"sval":"c"}},{"String":{"sval":"relnamespace"}}],"location":411}},"location":409}}}}],"whereClause":{"BoolExpr":{"boolop":"AND_EXPR","args":[{"A_Expr":{"kind":"AEXPR_IN","name":[{"String":{"sval":"="}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"c"}},{"String":{"sval":"relkind"}}],"location":435}},"rexpr":{"List":{"items":[{"A_Const":{"sval":{"sval":"r"},"location":449}},{"A_Const":{"sval":{"sval":""},"location":453}}]}},"location":445}},{"A_Expr":{"kind":"AEXPR_OP","name":[{"String":{"sval":"\u003c\u003e"}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"n"}},{"String":{"sval":"nspname"}}],"location":467}},"rexpr":{"A_Const":{"sval":{"sval":"pg_catalog"},"location":480}},"location":477}},{"A_Expr":{"kind":"AEXPR_OP","name":[{"String":{"sval":"\u003c\u003e"}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"n"}},{"String":{"sval":"nspname"}}],"location":503}},"rexpr":{"A_Const":{"sval":{"sval":"information_schema"},"location":516}},"location":513}},{"A_Expr":{"kind":"AEXPR_OP","name":[{"String":{"sval":"!~"}}],"lexpr":{"ColumnRef":{"fields":[{"String":{"sval":"n"}},{"String":{"sval":"nspname"}}],"location":547}},"rexpr":{"A_Const":{"sval":{"sval":"^pg_toast"},"location":560}},"location":557}},{"FuncCall":{"funcname":[{"String":{"sval":"pg_catalog"}},{"String":{"sval":"pg_table_is_visible"}}],"args":[{"ColumnRef":{"fields":[{"String":{"sval":"c"}},{"String":{"sval":"oid"}}],"location":613}}],"funcformat":"COERCE_EXPLICIT_CALL","location":582}}],"location":463}},"sortClause":[{"SortBy":{"node":{"A_Const":{"ival":{"ival":1},"location":632}},"sortby_dir":"SORTBY_DEFAULT","sortby_nulls":"SORTBY_NULLS_DEFAULT","location":-1}},{"SortBy":{"node":{"A_Const":{"ival":{"ival":2},"location":634}},"sortby_dir":"SORTBY_DEFAULT","sortby_nulls":"SORTBY_NULLS_DEFAULT","location":-1}}],"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}},"stmt_len":635}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
TargetList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithNameAndVal(
"Schema",
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("n"),
pg_query.MakeStrNode("nspname"),
},
7,
),
7,
),
pg_query.MakeResTargetNodeWithNameAndVal(
"Name",
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("c"),
pg_query.MakeStrNode("relname"),
},
36,
),
36,
),
pg_query.MakeResTargetNodeWithNameAndVal(
"Type",
pg_query.MakeCaseExprNode(
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("c"),
pg_query.MakeStrNode("relkind"),
},
68,
),
[]*pg_query.Node{
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("r", 83), pg_query.MakeAConstStrNode("table", 92), 78),
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("v", 105), pg_query.MakeAConstStrNode("view", 114), 100),
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("m", 126), pg_query.MakeAConstStrNode("materialized view", 135), 121),
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("i", 160), pg_query.MakeAConstStrNode("index", 169), 155),
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("S", 182), pg_query.MakeAConstStrNode("sequence", 191), 177),
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("s", 207), pg_query.MakeAConstStrNode("special", 216), 202),
pg_query.MakeCaseWhenNode(pg_query.MakeAConstStrNode("f", 231), pg_query.MakeAConstStrNode("foreign table", 240), 226),
},
63,
),
63,
),
pg_query.MakeResTargetNodeWithNameAndVal(
"Owner",
pg_query.MakeFuncCallNode(
[]*pg_query.Node{
pg_query.MakeStrNode("pg_catalog"),
pg_query.MakeStrNode("pg_get_userbyid"),
},
[]*pg_query.Node{
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeStrNode("c"),
pg_query.MakeStrNode("relowner"),
},
304,
),
},
277,
),
277,
),
},
FromClause: []*pg_query.Node{
pg_query.MakeJoinExprNode(
pg_query.JoinType_JOIN_LEFT,
pg_query.MakeFullRangeVarNode("pg_catalog", "pg_class", "c", 336),
pg_query.MakeFullRangeVarNode("pg_catalog", "pg_namespace", "n", 374),
pg_query.MakeAExprNode(
pg_query.A_Expr_Kind_AEXPR_OP,
[]*pg_query.Node{
pg_query.MakeStrNode("="),
},
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("n"), pg_query.MakeStrNode("oid")},
403,
),
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("c"), pg_query.MakeStrNode("relnamespace")},
411,
),
409,
),
),
},
WhereClause: pg_query.MakeBoolExprNode(
pg_query.BoolExprType_AND_EXPR,
[]*pg_query.Node{
pg_query.MakeAExprNode(
pg_query.A_Expr_Kind_AEXPR_IN,
[]*pg_query.Node{pg_query.MakeStrNode("=")},
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("c"), pg_query.MakeStrNode("relkind")},
435,
),
pg_query.MakeListNode([]*pg_query.Node{
pg_query.MakeAConstStrNode("r", 449),
pg_query.MakeAConstStrNode("", 453),
}),
445,
),
pg_query.MakeAExprNode(
pg_query.A_Expr_Kind_AEXPR_OP,
[]*pg_query.Node{pg_query.MakeStrNode("<>")},
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("n"), pg_query.MakeStrNode("nspname")},
467,
),
pg_query.MakeAConstStrNode("pg_catalog", 480),
477,
),
pg_query.MakeAExprNode(
pg_query.A_Expr_Kind_AEXPR_OP,
[]*pg_query.Node{pg_query.MakeStrNode("<>")},
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("n"), pg_query.MakeStrNode("nspname")},
503,
),
pg_query.MakeAConstStrNode("information_schema", 516),
513,
),
pg_query.MakeAExprNode(
pg_query.A_Expr_Kind_AEXPR_OP,
[]*pg_query.Node{pg_query.MakeStrNode("!~")},
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("n"), pg_query.MakeStrNode("nspname")},
547,
),
pg_query.MakeAConstStrNode("^pg_toast", 560),
557,
),
pg_query.MakeFuncCallNode(
[]*pg_query.Node{
pg_query.MakeStrNode("pg_catalog"),
pg_query.MakeStrNode("pg_table_is_visible"),
},
[]*pg_query.Node{
pg_query.MakeColumnRefNode(
[]*pg_query.Node{pg_query.MakeStrNode("c"), pg_query.MakeStrNode("oid")},
613,
),
},
582,
),
},
463,
),
SortClause: []*pg_query.Node{
pg_query.MakeSortByNode(pg_query.MakeAConstIntNode(1, 632), pg_query.SortByDir_SORTBY_DEFAULT, pg_query.SortByNulls_SORTBY_NULLS_DEFAULT, -1),
pg_query.MakeSortByNode(pg_query.MakeAConstIntNode(2, 634), pg_query.SortByDir_SORTBY_DEFAULT, pg_query.SortByNulls_SORTBY_NULLS_DEFAULT, -1),
},
},
},
},
StmtLen: 635,
},
},
},
},
{
`CREATE FUNCTION change_trigger_v2() RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
BEGIN
PERFORM 'dummy';
END;
$$;`,
`{"version":160001,"stmts":[{"stmt":{"CreateFunctionStmt":{"funcname":[{"String":{"sval":"change_trigger_v2"}}],"returnType":{"names":[{"String":{"sval":"trigger"}}],"typemod":-1,"location":44},"options":[{"DefElem":{"defname":"language","arg":{"String":{"sval":"plpgsql"}},"defaction":"DEFELEM_UNSPEC","location":53}},{"DefElem":{"defname":"as","arg":{"List":{"items":[{"String":{"sval":"\n\t\tDECLARE\n\t\tBEGIN\n\t\t\tPERFORM 'dummy';\n\t\tEND;\n\t\t"}}]}},"defaction":"DEFELEM_UNSPEC","location":71}}]}},"stmt_len":126}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_CreateFunctionStmt{
CreateFunctionStmt: &pg_query.CreateFunctionStmt{
Funcname: []*pg_query.Node{
pg_query.MakeStrNode("change_trigger_v2"),
},
ReturnType: &pg_query.TypeName{
Names: []*pg_query.Node{
pg_query.MakeStrNode("trigger"),
},
Typemod: -1,
Location: 44,
},
Options: []*pg_query.Node{
pg_query.MakeSimpleDefElemNode("language", pg_query.MakeStrNode("plpgsql"), 53),
pg_query.MakeSimpleDefElemNode(
"as",
pg_query.MakeListNode(
[]*pg_query.Node{
pg_query.MakeStrNode("\n\t\tDECLARE\n\t\tBEGIN\n\t\t\tPERFORM 'dummy';\n\t\tEND;\n\t\t"),
},
),
71,
),
},
},
},
},
StmtLen: 126,
},
},
},
},
{
`CREATE TABLE test (
id SERIAL PRIMARY KEY,
user_id integer DEFAULT 0 NOT NULL,
created_at timestamp without time zone NOT NULL);`,
`{"version":160001,"stmts":[{"stmt":{"CreateStmt":{"relation":{"relname":"test","inh":true,"relpersistence":"p","location":13},"tableElts":[{"ColumnDef":{"colname":"id","typeName":{"names":[{"String":{"sval":"serial"}}],"typemod":-1,"location":27},"is_local":true,"constraints":[{"Constraint":{"contype":"CONSTR_PRIMARY","location":34}}],"location":24}},{"ColumnDef":{"colname":"user_id","typeName":{"names":[{"String":{"sval":"pg_catalog"}},{"String":{"sval":"int4"}}],"typemod":-1,"location":59},"is_local":true,"constraints":[{"Constraint":{"contype":"CONSTR_DEFAULT","location":67,"raw_expr":{"A_Const":{"ival":{},"location":75}}}},{"Constraint":{"contype":"CONSTR_NOTNULL","location":77}}],"location":51}},{"ColumnDef":{"colname":"created_at","typeName":{"names":[{"String":{"sval":"pg_catalog"}},{"String":{"sval":"timestamp"}}],"typemod":-1,"location":102},"is_local":true,"constraints":[{"Constraint":{"contype":"CONSTR_NOTNULL","location":130}}],"location":91}}],"oncommit":"ONCOMMIT_NOOP"}},"stmt_len":139}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_CreateStmt{
CreateStmt: &pg_query.CreateStmt{
Relation: pg_query.MakeSimpleRangeVar("test", 13),
TableElts: []*pg_query.Node{
pg_query.MakeSimpleColumnDefNode(
"id",
&pg_query.TypeName{
Names: []*pg_query.Node{
pg_query.MakeStrNode("serial"),
},
Typemod: -1,
Location: 27,
},
[]*pg_query.Node{
pg_query.MakePrimaryKeyConstraintNode(34),
},
24,
),
pg_query.MakeSimpleColumnDefNode(
"user_id",
&pg_query.TypeName{
Names: []*pg_query.Node{
pg_query.MakeStrNode("pg_catalog"),
pg_query.MakeStrNode("int4"),
},
Typemod: -1,
Location: 59,
},
[]*pg_query.Node{
pg_query.MakeDefaultConstraintNode(pg_query.MakeAConstIntNode(0, 75), 67),
pg_query.MakeNotNullConstraintNode(77),
},
51,
),
pg_query.MakeSimpleColumnDefNode(
"created_at",
&pg_query.TypeName{
Names: []*pg_query.Node{
pg_query.MakeStrNode("pg_catalog"),
pg_query.MakeStrNode("timestamp"),
},
Typemod: -1,
Location: 102,
},
[]*pg_query.Node{
pg_query.MakeNotNullConstraintNode(130),
},
91,
),
},
Oncommit: pg_query.OnCommitAction_ONCOMMIT_NOOP,
},
},
},
StmtLen: 139,
},
},
},
},
{
`SELECT * FROM a(1)`,
`{"version":160001,"stmts":[{"stmt":{"SelectStmt":{"targetList":[{"ResTarget":{"val":{"ColumnRef":{"fields":[{"A_Star":{}}],"location":7}},"location":7}}],"fromClause":[{"RangeFunction":{"functions":[{"List":{"items":[{"FuncCall":{"funcname":[{"String":{"sval":"a"}}],"args":[{"A_Const":{"ival":{"ival":1},"location":16}}],"funcformat":"COERCE_EXPLICIT_CALL","location":14}},{}]}}]}}],"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}}}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
TargetList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithVal(
pg_query.MakeColumnRefNode(
[]*pg_query.Node{
pg_query.MakeAStarNode(),
},
7,
),
7,
),
},
FromClause: []*pg_query.Node{
pg_query.MakeSimpleRangeFunctionNode([]*pg_query.Node{
pg_query.MakeListNode([]*pg_query.Node{
pg_query.MakeFuncCallNode(
[]*pg_query.Node{pg_query.MakeStrNode("a")},
[]*pg_query.Node{pg_query.MakeAConstIntNode(1, 16)},
14,
),
nil,
}),
}),
},
},
},
},
},
},
},
},
{
// Test for null-byte related crashes
string([]byte{'S', 'E', 'L', 'E', 'C', 'T', ' ', '1', '\x00'}),
`{"version":160001,"stmts":[{"stmt":{"SelectStmt":{"targetList":[{"ResTarget":{"val":{"A_Const":{"ival":{"ival":1},"location":7}},"location":7}}],"limitOption":"LIMIT_OPTION_DEFAULT","op":"SETOP_NONE"}}}]}`,
&pg_query.ParseResult{
Version: int32(160001),
Stmts: []*pg_query.RawStmt{
{
Stmt: &pg_query.Node{
Node: &pg_query.Node_SelectStmt{
SelectStmt: &pg_query.SelectStmt{
LimitOption: pg_query.LimitOption_LIMIT_OPTION_DEFAULT,
Op: pg_query.SetOperation_SETOP_NONE,
TargetList: []*pg_query.Node{
pg_query.MakeResTargetNodeWithVal(
pg_query.MakeAConstIntNode(1, 7),
7,
),
},
},
},
},
},
},
},
},
}
func TestParse(t *testing.T) {
for _, test := range parseTests {
actualJSON, err := pg_query.ParseToJSON(test.input)
if err != nil {
t.Errorf("Parse(%s)\nerror %s\n\n", test.input, err)
} else if actualJSON != test.expectedJSON {
t.Errorf("Parse(%s)\nexpected %s\nactual %s\n\n", test.input, test.expectedJSON, actualJSON)
}
actualTree, err := pg_query.Parse(test.input)
if err != nil {
t.Errorf("protobuf error %s\n\n", err)
} else if diff := cmp.Diff(actualTree, test.expectedTree, protocmp.Transform()); diff != "" {
t.Errorf("protobuf unexpected difference:\n%v", diff)
}
}
}
var parseErrorTests = []struct {
input string
expectedErr error
}{
{
"SELECT $",
&parser.Error{
Message: "syntax error at or near \"$\"",
Cursorpos: 8,
Filename: "scan.l",
Funcname: "scanner_yyerror",
},
},
{
"SELECT * FROM y WHERE x IN ($1, ",
&parser.Error{
Message: "syntax error at end of input",
Cursorpos: 33,
Filename: "scan.l",
Funcname: "scanner_yyerror",
},
},
}
func TestParseError(t *testing.T) {
for _, test := range parseErrorTests {
_, actualErr := pg_query.Parse(test.input)
if actualErr == nil {
t.Errorf("Parse(%s)\nexpected error but none returned\n\n", test.input)
} else {
exp := test.expectedErr.(*parser.Error)
act := actualErr.(*parser.Error)
act.Lineno = 0 // Line number is architecture dependent, so we ignore it
if !reflect.DeepEqual(act, exp) {
t.Errorf(
"Parse(%s)\nexpected error %s at %d (%s:%d), func: %s, context: %s\nactual error %+v at %d (%s:%d), func: %s, context: %s\n\n",
test.input,
exp.Message, exp.Cursorpos, exp.Filename, exp.Lineno, exp.Funcname, exp.Context,
act.Message, act.Cursorpos, act.Filename, act.Lineno, act.Funcname, act.Context)
}
}
}
}
func TestParseConcurrency(t *testing.T) {
var wg sync.WaitGroup
for i := 0; i < 100; i++ {
wg.Add(1)
go func() {
defer wg.Done()
_, err := pg_query.Parse("SELECT 1 FROM x WHERE y IN ('a', 'b', 'c')")
if err != nil {
t.Errorf("Concurrency test produced error %s\n\n", err)
}
fmt.Printf(".")
}()
}
wg.Wait()
fmt.Println()
}
var parsePlPgSQLTests = []struct {
input string
expectedJSON string
}{
{
`CREATE OR REPLACE FUNCTION cs_fmt_browser_version(v_name varchar,` +
`v_version varchar) ` +
`RETURNS varchar AS $$ ` +
`DECLARE ` +
`CURS1 CURSOR FOR SELECT 1;` +
`BEGIN ` +
` IF v_version IS NULL THEN` +
` RETURN v_name;` +
` END IF;` +
` RETURN v_name || '/' || v_version;` +
`END;` +
`$$ LANGUAGE plpgsql;`,
`[
{"PLpgSQL_function":{"datums":[{"PLpgSQL_var":{"refname":"v_name","datatype":{"PLpgSQL_type":{"typname":"pg_catalog.\"varchar\""}}}},{"PLpgSQL_var":{"refname":"v_version","datatype":{"PLpgSQL_type":{"typname":"pg_catalog.\"varchar\""}}}},{"PLpgSQL_var":{"refname":"found","datatype":{"PLpgSQL_type":{"typname":"pg_catalog.\"boolean\""}}}},{"PLpgSQL_var":{"refname":"curs1","lineno":1,"datatype":{"PLpgSQL_type":{"typname":"pg_catalog.refcursor"}},"cursor_explicit_expr":{"PLpgSQL_expr":{"query":"SELECT 1","parseMode":0}},"cursor_explicit_argrow":-1,"cursor_options":256}}],"action":{"PLpgSQL_stmt_block":{"lineno":1,"body":[{"PLpgSQL_stmt_if":{"lineno":1,"cond":{"PLpgSQL_expr":{"query":"v_version IS NULL","parseMode":2}},"then_body":[{"PLpgSQL_stmt_return":{"lineno":1,"expr":{"PLpgSQL_expr":{"query":"v_name","parseMode":2}}}}]}},{"PLpgSQL_stmt_return":{"lineno":1,"expr":{"PLpgSQL_expr":{"query":"v_name || '/' || v_version","parseMode":2}}}}]}}}}
]`,
},
}
func TestParsePlPgSQL(t *testing.T) {
for _, test := range parsePlPgSQLTests {
actualJSON, err := pg_query.ParsePlPgSqlToJSON(test.input)
if err != nil {
t.Errorf("ParsePlPgSqlToJSON(%s)\nerror %s\n\n", test.input, err)
} else if actualJSON != test.expectedJSON {
t.Errorf("ParsePlPgSqlToJSON(%s)\nexpected %s\nactual %s\n\n", test.input, test.expectedJSON, actualJSON)
}
}
}
func TestScan(t *testing.T) {
smokeTest := func(input string) {
_, err := pg_query.Scan(input)
if err != nil {
t.Error(err)
}
}
for _, testCase := range parseTests {
smokeTest(testCase.input)
}
for _, testCase := range parsePlPgSQLTests {
smokeTest(testCase.input)
}
}