forked from pganalyze/pg_query_go
/
parse_test.go
772 lines (753 loc) · 29.2 KB
/
parse_test.go
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package pg_query_test
import (
"errors"
"fmt"
"reflect"
"sync"
"testing"
"github.com/kr/pretty"
"github.com/lfittl/pg_query_go"
nodes "github.com/lfittl/pg_query_go/nodes"
util "github.com/lfittl/pg_query_go/util"
)
var parseTests = []struct {
input string
expectedJSON string
expectedTree pg_query.ParsetreeList
}{
{
"SELECT 1",
`[{"RawStmt": {"stmt": {"SelectStmt": {"targetList": [{"ResTarget": {"val": {"A_Const": {"val": ` +
`{"Integer": {"ival": 1}}, "location": 7}}, "location": 7}}], "op": 0}}}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.SelectStmt{
TargetList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Val: nodes.A_Const{
Val: util.MakeIntNode(1),
Location: 7,
},
Location: 7,
},
}),
},
},
},
},
},
{
"SELECT * FROM x WHERE z = 1",
`[{"RawStmt": {"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": 0, "name": [{"String": {"str": "="}}], "lexpr": {"ColumnRef": ` +
`{"fields": [{"String": {"str": "z"}}], "location": 22}}, "rexpr": {"A_Const": ` +
`{"val": {"Integer": {"ival": 1}}, "location": 26}}, "location": 24}}, "op": 0}}}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.SelectStmt{
TargetList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Val: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
nodes.A_Star{},
}),
Location: 7,
},
Location: 7,
},
}),
FromClause: util.MakeListNode([]nodes.Node{
nodes.RangeVar{
Relname: util.MakeStrPtr("x"),
Inh: true,
Relpersistence: 'p',
Location: 14,
},
}),
WhereClause: nodes.A_Expr{
Kind: nodes.AEXPR_OP,
Name: util.MakeListNode([]nodes.Node{
util.MakeStrNode("="),
}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("z"),
}),
Location: 22,
},
Rexpr: nodes.A_Const{
Val: util.MakeIntNode(1),
Location: 26,
},
Location: 24,
},
},
},
},
},
},
{
`INSERT INTO "schema_index_stats" ("snapshot_id","schema_index_id","size_bytes") VALUES (11710849,8448632,16384),(11710849,8448633,16384) RETURNING id`,
`[{"RawStmt": {"stmt": {"InsertStmt": {"relation": {"RangeVar": {"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": [[{"A_Const": {"val": {"Integer": {"ival": 11710849}}, ` +
`"location": 88}}, {"A_Const": {"val": {"Integer": {"ival": 8448632}}, "location": 97}}, ` +
`{"A_Const": {"val": {"Integer": {"ival": 16384}}, "location": 105}}], [{"A_Const": {"val": ` +
`{"Integer": {"ival": 11710849}}, "location": 113}}, {"A_Const": {"val": {"Integer": ` +
`{"ival": 8448633}}, "location": 122}}, {"A_Const": {"val": {"Integer": {"ival": 16384}}, ` +
`"location": 130}}]], "op": 0}}, "returningList": [{"ResTarget": {"val": ` +
`{"ColumnRef": {"fields": [{"String": {"str": "id"}}], "location": 147}}, "location": 147}}], "override": 0}}}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.InsertStmt{
Relation: &nodes.RangeVar{
Relname: util.MakeStrPtr("schema_index_stats"),
Inh: true,
Relpersistence: 'p',
Location: 12,
},
Cols: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Name: util.MakeStrPtr("snapshot_id"),
Location: 34,
},
nodes.ResTarget{
Name: util.MakeStrPtr("schema_index_id"),
Location: 48,
},
nodes.ResTarget{
Name: util.MakeStrPtr("size_bytes"),
Location: 66,
},
}),
SelectStmt: nodes.SelectStmt{
ValuesLists: [][]nodes.Node{
[]nodes.Node{
nodes.A_Const{
Val: util.MakeIntNode(11710849),
Location: 88,
},
nodes.A_Const{
Val: util.MakeIntNode(8448632),
Location: 97,
},
nodes.A_Const{
Val: util.MakeIntNode(16384),
Location: 105,
},
},
[]nodes.Node{
nodes.A_Const{
Val: util.MakeIntNode(11710849),
Location: 113,
},
nodes.A_Const{
Val: util.MakeIntNode(8448633),
Location: 122,
},
nodes.A_Const{
Val: util.MakeIntNode(16384),
Location: 130,
},
},
},
},
ReturningList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Val: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("id"),
}),
Location: 147,
},
Location: 147,
},
}),
},
},
},
},
},
{
"SELECT * FROM x WHERE y IN (?)",
`[{"RawStmt": {"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": 7, "name": [{"String": {"str": "="}}], "lexpr": {"ColumnRef": ` +
`{"fields": [{"String": {"str": "y"}}], "location": 22}}, "rexpr": [{"ParamRef": ` +
`{"location": 28}}], "location": 24}}, "op": 0}}}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.SelectStmt{
TargetList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Val: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
nodes.A_Star{},
}),
Location: 7,
},
Location: 7,
},
}),
FromClause: util.MakeListNode([]nodes.Node{
nodes.RangeVar{
Relname: util.MakeStrPtr("x"),
Inh: true,
Relpersistence: 'p',
Location: 14,
},
}),
WhereClause: nodes.A_Expr{
Kind: nodes.AEXPR_IN,
Name: util.MakeListNode([]nodes.Node{
util.MakeStrNode("="),
}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("y"),
}),
Location: 22,
},
Rexpr: util.MakeListNode([]nodes.Node{
nodes.ParamRef{
Number: 0,
Location: 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;`,
`[{"RawStmt": {"stmt": {"SelectStmt": {"targetList": [{"ResTarget": {"name": "Schema", "val": {"ColumnRef": {"fields": [{"String": {"str": "n"}}, {"String": {"str": "nspname"}}], "location": 7}}, "location": 7}}, {"ResTarget": {"name": "Name", "val": {"ColumnRef": {"fields": [{"String": {"str": "c"}}, {"String": {"str": "relname"}}], "location": 36}}, "location": 36}}, {"ResTarget": {"name": "Type", "val": {"CaseExpr": {"arg": {"ColumnRef": {"fields": [{"String": {"str": "c"}}, {"String": {"str": "relkind"}}], "location": 68}}, "args": [{"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "r"}}, "location": 83}}, "result": {"A_Const": {"val": {"String": {"str": "table"}}, "location": 92}}, "location": 78}}, {"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "v"}}, "location": 105}}, "result": {"A_Const": {"val": {"String": {"str": "view"}}, "location": 114}}, "location": 100}}, {"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "m"}}, "location": 126}}, "result": {"A_Const": {"val": {"String": {"str": "materialized view"}}, "location": 135}}, "location": 121}}, {"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "i"}}, "location": 160}}, "result": {"A_Const": {"val": {"String": {"str": "index"}}, "location": 169}}, "location": 155}}, {"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "S"}}, "location": 182}}, "result": {"A_Const": {"val": {"String": {"str": "sequence"}}, "location": 191}}, "location": 177}}, {"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "s"}}, "location": 207}}, "result": {"A_Const": {"val": {"String": {"str": "special"}}, "location": 216}}, "location": 202}}, {"CaseWhen": {"expr": {"A_Const": {"val": {"String": {"str": "f"}}, "location": 231}}, "result": {"A_Const": {"val": {"String": {"str": "foreign table"}}, "location": 240}}, "location": 226}}], "location": 63}}, "location": 63}}, {"ResTarget": {"name": "Owner", "val": {"FuncCall": {"funcname": [{"String": {"str": "pg_catalog"}}, {"String": {"str": "pg_get_userbyid"}}], "args": [{"ColumnRef": {"fields": [{"String": {"str": "c"}}, {"String": {"str": "relowner"}}], "location": 304}}], "location": 277}}, "location": 277}}], "fromClause": [{"JoinExpr": {"jointype": 1, "larg": {"RangeVar": {"schemaname": "pg_catalog", "relname": "pg_class", "inh": true, "relpersistence": "p", "alias": {"Alias": {"aliasname": "c"}}, "location": 336}}, "rarg": {"RangeVar": {"schemaname": "pg_catalog", "relname": "pg_namespace", "inh": true, "relpersistence": "p", "alias": {"Alias": {"aliasname": "n"}}, "location": 374}}, "quals": {"A_Expr": {"kind": 0, "name": [{"String": {"str": "="}}], "lexpr": {"ColumnRef": {"fields": [{"String": {"str": "n"}}, {"String": {"str": "oid"}}], "location": 403}}, "rexpr": {"ColumnRef": {"fields": [{"String": {"str": "c"}}, {"String": {"str": "relnamespace"}}], "location": 411}}, "location": 409}}}}], "whereClause": {"BoolExpr": {"boolop": 0, "args": [{"A_Expr": {"kind": 7, "name": [{"String": {"str": "="}}], "lexpr": {"ColumnRef": {"fields": [{"String": {"str": "c"}}, {"String": {"str": "relkind"}}], "location": 435}}, "rexpr": [{"A_Const": {"val": {"String": {"str": "r"}}, "location": 449}}, {"A_Const": {"val": {"String": {"str": ""}}, "location": 453}}], "location": 445}}, {"A_Expr": {"kind": 0, "name": [{"String": {"str": "<>"}}], "lexpr": {"ColumnRef": {"fields": [{"String": {"str": "n"}}, {"String": {"str": "nspname"}}], "location": 467}}, "rexpr": {"A_Const": {"val": {"String": {"str": "pg_catalog"}}, "location": 480}}, "location": 477}}, {"A_Expr": {"kind": 0, "name": [{"String": {"str": "<>"}}], "lexpr": {"ColumnRef": {"fields": [{"String": {"str": "n"}}, {"String": {"str": "nspname"}}], "location": 503}}, "rexpr": {"A_Const": {"val": {"String": {"str": "information_schema"}}, "location": 516}}, "location": 513}}, {"A_Expr": {"kind": 0, "name": [{"String": {"str": "!~"}}], "lexpr": {"ColumnRef": {"fields": [{"String": {"str": "n"}}, {"String": {"str": "nspname"}}], "location": 547}}, "rexpr": {"A_Const": {"val": {"String": {"str": "^pg_toast"}}, "location": 560}}, "location": 557}}, {"FuncCall": {"funcname": [{"String": {"str": "pg_catalog"}}, {"String": {"str": "pg_table_is_visible"}}], "args": [{"ColumnRef": {"fields": [{"String": {"str": "c"}}, {"String": {"str": "oid"}}], "location": 613}}], "location": 582}}], "location": 463}}, "sortClause": [{"SortBy": {"node": {"A_Const": {"val": {"Integer": {"ival": 1}}, "location": 632}}, "sortby_dir": 0, "sortby_nulls": 0, "location": -1}}, {"SortBy": {"node": {"A_Const": {"val": {"Integer": {"ival": 2}}, "location": 634}}, "sortby_dir": 0, "sortby_nulls": 0, "location": -1}}], "op": 0}}, "stmt_len": 635}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.SelectStmt{
TargetList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Name: util.MakeStrPtr("Schema"),
Val: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("n"),
util.MakeStrNode("nspname"),
}),
Location: 7,
},
Location: 7,
},
nodes.ResTarget{
Name: util.MakeStrPtr("Name"),
Val: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("c"),
util.MakeStrNode("relname"),
}),
Location: 36,
},
Location: 36,
},
nodes.ResTarget{
Name: util.MakeStrPtr("Type"),
Val: nodes.CaseExpr{
Arg: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("c"),
util.MakeStrNode("relkind"),
}),
Location: 68,
},
Args: util.MakeListNode([]nodes.Node{
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("r"), Location: 83},
Result: nodes.A_Const{Val: util.MakeStrNode("table"), Location: 92},
Location: 78,
},
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("v"), Location: 105},
Result: nodes.A_Const{Val: util.MakeStrNode("view"), Location: 114},
Location: 100,
},
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("m"), Location: 126},
Result: nodes.A_Const{Val: util.MakeStrNode("materialized view"), Location: 135},
Location: 121,
},
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("i"), Location: 160},
Result: nodes.A_Const{Val: util.MakeStrNode("index"), Location: 169},
Location: 155,
},
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("S"), Location: 182},
Result: nodes.A_Const{Val: util.MakeStrNode("sequence"), Location: 191},
Location: 177,
},
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("s"), Location: 207},
Result: nodes.A_Const{Val: util.MakeStrNode("special"), Location: 216},
Location: 202,
},
nodes.CaseWhen{
Expr: nodes.A_Const{Val: util.MakeStrNode("f"), Location: 231},
Result: nodes.A_Const{Val: util.MakeStrNode("foreign table"), Location: 240},
Location: 226,
},
}),
Location: 63,
},
Location: 63,
},
nodes.ResTarget{
Name: util.MakeStrPtr("Owner"),
Val: nodes.FuncCall{
Funcname: util.MakeListNode([]nodes.Node{
util.MakeStrNode("pg_catalog"),
util.MakeStrNode("pg_get_userbyid"),
}),
Args: util.MakeListNode([]nodes.Node{
nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
util.MakeStrNode("c"),
util.MakeStrNode("relowner"),
}),
Location: 304,
},
}),
Location: 277,
},
Location: 277,
},
}),
FromClause: util.MakeListNode([]nodes.Node{
nodes.JoinExpr{
Jointype: 1,
Larg: nodes.RangeVar{
Schemaname: util.MakeStrPtr("pg_catalog"),
Relname: util.MakeStrPtr("pg_class"),
Inh: true,
Relpersistence: 'p',
Alias: &nodes.Alias{
Aliasname: util.MakeStrPtr("c"),
},
Location: 336,
},
Rarg: nodes.RangeVar{
Schemaname: util.MakeStrPtr("pg_catalog"),
Relname: util.MakeStrPtr("pg_namespace"),
Inh: true,
Relpersistence: 'p',
Alias: &nodes.Alias{
Aliasname: util.MakeStrPtr("n"),
},
Location: 374,
},
Quals: nodes.A_Expr{
Kind: nodes.AEXPR_OP,
Name: util.MakeListNode([]nodes.Node{util.MakeStrNode("=")}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("n"), util.MakeStrNode("oid")}),
Location: 403,
},
Rexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("c"), util.MakeStrNode("relnamespace")}),
Location: 411,
},
Location: 409,
},
},
}),
WhereClause: nodes.BoolExpr{
Args: util.MakeListNode([]nodes.Node{
nodes.A_Expr{
Kind: nodes.AEXPR_IN,
Name: util.MakeListNode([]nodes.Node{util.MakeStrNode("=")}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("c"), util.MakeStrNode("relkind")}),
Location: 435,
},
Rexpr: util.MakeListNode([]nodes.Node{
nodes.A_Const{Val: util.MakeStrNode("r"), Location: 449},
nodes.A_Const{Val: util.MakeStrNode(""), Location: 453},
}),
Location: 445,
},
nodes.A_Expr{
Name: util.MakeListNode([]nodes.Node{util.MakeStrNode("<>")}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("n"), util.MakeStrNode("nspname")}),
Location: 467,
},
Rexpr: nodes.A_Const{Val: util.MakeStrNode("pg_catalog"), Location: 480},
Location: 477,
},
nodes.A_Expr{
Kind: nodes.AEXPR_OP,
Name: util.MakeListNode([]nodes.Node{util.MakeStrNode("<>")}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("n"), util.MakeStrNode("nspname")}),
Location: 503,
},
Rexpr: nodes.A_Const{Val: util.MakeStrNode("information_schema"), Location: 516},
Location: 513,
},
nodes.A_Expr{
Kind: nodes.AEXPR_OP,
Name: util.MakeListNode([]nodes.Node{util.MakeStrNode("!~")}),
Lexpr: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("n"), util.MakeStrNode("nspname")}),
Location: 547,
},
Rexpr: nodes.A_Const{
Val: util.MakeStrNode("^pg_toast"),
Location: 560,
},
Location: 557,
},
nodes.FuncCall{
Funcname: util.MakeListNode([]nodes.Node{
util.MakeStrNode("pg_catalog"),
util.MakeStrNode("pg_table_is_visible"),
}),
Args: util.MakeListNode([]nodes.Node{
nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{util.MakeStrNode("c"), util.MakeStrNode("oid")}),
Location: 613,
},
}),
Location: 582,
},
}),
Location: 463,
},
SortClause: util.MakeListNode([]nodes.Node{
nodes.SortBy{
Node: nodes.A_Const{
Val: util.MakeIntNode(1),
Location: 632,
},
Location: -1,
},
nodes.SortBy{
Node: nodes.A_Const{
Val: util.MakeIntNode(2),
Location: 634,
},
Location: -1,
},
}),
},
StmtLen: 635,
},
},
},
},
{
`CREATE FUNCTION change_trigger_v2() RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
BEGIN
PERFORM 'dummy';
END;
$$;`,
`[{"RawStmt": {"stmt": {"CreateFunctionStmt": {"funcname": [{"String": {"str": "change_trigger_v2"}}], "returnType": {"TypeName": {"names": [{"String": {"str": "trigger"}}], "typemod": -1, "location": 44}}, "options": [{"DefElem": {"defname": "language", "arg": {"String": {"str": "plpgsql"}}, "defaction": 0, "location": 53}}, {"DefElem": {"defname": "as", "arg": [{"String": {"str": "\n\t\tDECLARE\n\t\tBEGIN\n\t\t\tPERFORM 'dummy';\n\t\tEND;\n\t\t"}}], "defaction": 0, "location": 71}}]}}, "stmt_len": 126}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.CreateFunctionStmt{
Funcname: util.MakeListNode([]nodes.Node{
util.MakeStrNode("change_trigger_v2"),
}),
ReturnType: &nodes.TypeName{
Names: util.MakeListNode([]nodes.Node{
util.MakeStrNode("trigger"),
}),
Typemod: -1,
Location: 44,
},
Options: util.MakeListNode([]nodes.Node{
nodes.DefElem{
Defname: util.MakeStrPtr("language"),
Arg: util.MakeStrNode("plpgsql"),
Location: 53,
},
nodes.DefElem{
Defname: util.MakeStrPtr("as"),
Arg: util.MakeListNode([]nodes.Node{util.MakeStrNode("\n\t\tDECLARE\n\t\tBEGIN\n\t\t\tPERFORM 'dummy';\n\t\tEND;\n\t\t")}),
Location: 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);`,
`[{"RawStmt": {"stmt": {"CreateStmt": {"relation": {"RangeVar": {"relname": "test", "inh": true, "relpersistence": "p", "location": 13}}, "tableElts": [{"ColumnDef": {"colname": "id", "typeName": {"TypeName": {"names": [{"String": {"str": "serial"}}], "typemod": -1, "location": 27}}, "is_local": true, "constraints": [{"Constraint": {"contype": 5, "location": 34}}], "location": 24}}, {"ColumnDef": {"colname": "user_id", "typeName": {"TypeName": {"names": [{"String": {"str": "pg_catalog"}}, {"String": {"str": "int4"}}], "typemod": -1, "location": 59}}, "is_local": true, "constraints": [{"Constraint": {"contype": 2, "location": 67, "raw_expr": {"A_Const": {"val": {"Integer": {"ival": 0}}, "location": 75}}}}, {"Constraint": {"contype": 1, "location": 77}}], "location": 51}}, {"ColumnDef": {"colname": "created_at", "typeName": {"TypeName": {"names": [{"String": {"str": "pg_catalog"}}, {"String": {"str": "timestamp"}}], "typemod": -1, "location": 102}}, "is_local": true, "constraints": [{"Constraint": {"contype": 1, "location": 130}}], "location": 91}}], "oncommit": 0}}, "stmt_len": 139}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.CreateStmt{
Relation: &nodes.RangeVar{
Relname: util.MakeStrPtr("test"),
Inh: true,
Relpersistence: 'p',
Location: 13,
},
TableElts: util.MakeListNode([]nodes.Node{
nodes.ColumnDef{
Colname: util.MakeStrPtr("id"),
TypeName: &nodes.TypeName{
Names: util.MakeListNode([]nodes.Node{
util.MakeStrNode("serial"),
}),
Typemod: -1,
Location: 27,
},
IsLocal: true,
Constraints: util.MakeListNode([]nodes.Node{
nodes.Constraint{
Contype: nodes.CONSTR_PRIMARY,
Location: 34,
},
}),
Location: 24,
},
nodes.ColumnDef{
Colname: util.MakeStrPtr("user_id"),
TypeName: &nodes.TypeName{
Names: util.MakeListNode([]nodes.Node{
util.MakeStrNode("pg_catalog"),
util.MakeStrNode("int4"),
}),
Typemod: -1,
Location: 59,
},
IsLocal: true,
Constraints: util.MakeListNode([]nodes.Node{
nodes.Constraint{
Contype: nodes.CONSTR_DEFAULT,
Location: 67,
RawExpr: nodes.A_Const{
Val: util.MakeIntNode(0),
Location: 75,
},
},
nodes.Constraint{
Contype: nodes.CONSTR_NOTNULL,
Location: 77,
},
}),
Location: 51,
},
nodes.ColumnDef{
Colname: util.MakeStrPtr("created_at"),
TypeName: &nodes.TypeName{
Names: util.MakeListNode([]nodes.Node{
util.MakeStrNode("pg_catalog"),
util.MakeStrNode("timestamp"),
}),
Typemod: -1,
Location: 102,
},
IsLocal: true,
Constraints: util.MakeListNode([]nodes.Node{
nodes.Constraint{
Contype: nodes.CONSTR_NOTNULL,
Location: 130,
},
}),
Location: 91,
},
}),
Oncommit: nodes.ONCOMMIT_NOOP,
},
StmtLen: 139,
},
},
},
},
{
`SELECT * FROM a(1)`,
`[{"RawStmt": {"stmt": {"SelectStmt": {"targetList": [{"ResTarget": {"val": {"ColumnRef": {"fields": ` +
`[{"A_Star": {}}], "location": 7}}, "location": 7}}], "fromClause": [{"RangeFunction": ` +
`{"functions": [[{"FuncCall": {"funcname": [{"String": {"str": "a"}}], "args": [{"A_Const": ` +
`{"val": {"Integer": {"ival": 1}}, "location": 16}}], "location": 14}}, null]]}}], "op": 0}}}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.SelectStmt{
TargetList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Val: nodes.ColumnRef{
Fields: util.MakeListNode([]nodes.Node{
nodes.A_Star{},
}),
Location: 7,
},
Location: 7,
},
}),
FromClause: util.MakeListNode([]nodes.Node{
nodes.RangeFunction{
Functions: util.MakeListNode([]nodes.Node{
util.MakeListNode([]nodes.Node{
nodes.FuncCall{
Funcname: util.MakeListNode([]nodes.Node{
util.MakeStrNode("a"),
}),
Args: util.MakeListNode([]nodes.Node{
nodes.A_Const{
Val: util.MakeIntNode(1),
Location: 16,
},
}),
Location: 14,
},
nil,
}),
}),
},
}),
},
},
},
},
},
{
// Test for null-byte related crashes
string([]byte{'S', 'E', 'L', 'E', 'C', 'T', ' ', '1', '\x00'}),
`[{"RawStmt": {"stmt": {"SelectStmt": {"targetList": [{"ResTarget": {"val": {"A_Const": {"val": {"Integer": {"ival": 1}}, "location": 7}}, "location": 7}}], "op": 0}}}}]`,
pg_query.ParsetreeList{
Statements: []nodes.Node{
nodes.RawStmt{
Stmt: nodes.SelectStmt{
TargetList: util.MakeListNode([]nodes.Node{
nodes.ResTarget{
Val: nodes.A_Const{
Val: util.MakeIntNode(1),
Location: 7,
},
Location: 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("Unmarshal(%s)\nerror %s\n\n", actualJSON, err)
} else if !reflect.DeepEqual(actualTree, test.expectedTree) {
t.Errorf("Unmarshal(%s)\ndiff %s\n\n", actualJSON, pretty.Diff(test.expectedTree, actualTree))
}
}
}
var parseErrorTests = []struct {
input string
expectedErr error
}{
{
"SELECT $",
errors.New("syntax error at or near \"$\""),
},
{
"SELECT * FROM y WHERE x IN (?, ",
errors.New("syntax error at end of input"),
},
}
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 if !reflect.DeepEqual(actualErr, test.expectedErr) {
t.Errorf("Parse(%s)\nexpected error %s\nactual error %s\n\n", test.input, test.expectedErr, actualErr)
}
}
}
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()
}
var parsePlPgSQLTests = []struct {
input string
expectedJSON string
}{
{
`CREATE OR REPLACE FUNCTION cs_fmt_browser_version(v_name varchar,` +
`v_version varchar) ` +
`RETURNS varchar AS $$ ` +
`BEGIN ` +
` IF v_version IS NULL THEN` +
` RETURN v_name;` +
` END IF;` +
` RETURN v_name || '/' || v_version;` +
`END;` +
`$$ LANGUAGE plpgsql;`,
`[
{"PLpgSQL_function": {"datums": [{"PLpgSQL_var": {"refname": "found", "datatype": {"PLpgSQL_type": {"typname": "UNKNOWN"}}}}], "action": {"PLpgSQL_stmt_block": {"lineno": 1, "body": [{"PLpgSQL_stmt_if": {"lineno": 1, "cond": {"PLpgSQL_expr": {"query": "SELECT v_version IS NULL"}}, "then_body": [{"PLpgSQL_stmt_return": {"lineno": 1, "expr": {"PLpgSQL_expr": {"query": "SELECT v_name"}}}}]}}, {"PLpgSQL_stmt_return": {"lineno": 1, "expr": {"PLpgSQL_expr": {"query": "SELECT v_name || '/' || v_version"}}}}]}}}}
]`,
},
}
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)
}
}
}