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parser_test.go
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parser_test.go
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package sqlparser_test
import (
"strings"
"testing"
"github.com/go-test/deep"
"github.com/longbridgeapp/sqlparser"
)
func TestParser_ParseStatement(t *testing.T) {
t.Run("ErrNoStatement", func(t *testing.T) {
AssertParseStatementError(t, `123`, `1:1: expected statement, found 123`)
})
t.Run("Select", func(t *testing.T) {
AssertParseStatement(t, `SELECT * FROM tbl`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
})
AssertParseStatement(t, `SELECT /* hint */ * FROM tbl`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
Hint: &sqlparser.Hint{
Value: "hint",
},
})
AssertParseStatement(t, `SELECT DISTINCT * FROM tbl`, &sqlparser.SelectStatement{
Distinct: true,
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
})
AssertParseStatement(t, `SELECT ALL * FROM tbl`, &sqlparser.SelectStatement{
All: true,
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
})
AssertParseStatement(t, `SELECT foo AS FOO, bar baz, tbl.* FROM tbl`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{
&sqlparser.ResultColumn{
Expr: &sqlparser.Ident{Name: "foo"},
Alias: &sqlparser.Ident{Name: "FOO"},
},
&sqlparser.ResultColumn{
Expr: &sqlparser.Ident{Name: "bar"},
Alias: &sqlparser.Ident{Name: "baz"},
},
&sqlparser.ResultColumn{
Expr: &sqlparser.QualifiedRef{
Table: &sqlparser.Ident{Name: "tbl"},
Star: true,
},
},
},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
})
AssertParseStatement(t, `SELECT * FROM tbl tbl2`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
Alias: &sqlparser.Ident{Name: "tbl2"},
},
})
AssertParseStatement(t, `SELECT * FROM tbl AS tbl2`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
Alias: &sqlparser.Ident{Name: "tbl2"},
},
})
AssertParseStatement(t, `SELECT * FROM (SELECT *) AS tbl`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.ParenSource{
X: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
Alias: &sqlparser.Ident{Name: "tbl"},
},
})
AssertParseStatement(t, `SELECT * FROM foo, bar`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{Comma: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
},
})
AssertParseStatement(t, `SELECT * FROM foo JOIN bar`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
},
})
AssertParseStatement(t, `SELECT * FROM foo NATURAL JOIN bar`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{Natural: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
},
})
AssertParseStatement(t, `SELECT * FROM foo INNER JOIN bar ON true`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{Inner: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
Constraint: &sqlparser.OnConstraint{
X: &sqlparser.BoolLit{Value: true},
},
},
})
AssertParseStatement(t, `SELECT * FROM foo LEFT JOIN bar USING (x, y)`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{Left: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
Constraint: &sqlparser.UsingConstraint{
Columns: []*sqlparser.Ident{
{Name: "x"},
{Name: "y"},
},
},
},
})
AssertParseStatement(t, `SELECT * FROM X INNER JOIN Y ON true INNER JOIN Z ON false`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "X"},
},
Operator: &sqlparser.JoinOperator{Inner: true},
Y: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "Y"},
},
Operator: &sqlparser.JoinOperator{Inner: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "Z"},
},
Constraint: &sqlparser.OnConstraint{
X: &sqlparser.BoolLit{Value: false},
},
},
Constraint: &sqlparser.OnConstraint{
X: &sqlparser.BoolLit{Value: true},
},
},
})
AssertParseStatement(t, `SELECT * FROM foo LEFT OUTER JOIN bar`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{Left: true, Outer: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
},
})
AssertParseStatement(t, `SELECT * FROM foo CROSS JOIN bar`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
FromItems: &sqlparser.JoinClause{
X: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "foo"},
},
Operator: &sqlparser.JoinOperator{Cross: true},
Y: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "bar"},
},
},
})
AssertParseStatement(t, `SELECT * WHERE true`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{Star: true}},
Condition: &sqlparser.BoolLit{Value: true},
})
AssertParseStatement(t, `SELECT * GROUP BY foo, bar`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{Star: true}},
GroupingElements: []sqlparser.Expr{
&sqlparser.Ident{Name: "foo"},
&sqlparser.Ident{Name: "bar"},
},
})
AssertParseStatement(t, `SELECT * GROUP BY foo HAVING true`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{Star: true}},
GroupingElements: []sqlparser.Expr{
&sqlparser.Ident{Name: "foo"},
},
HavingCondition: &sqlparser.BoolLit{Value: true},
})
AssertParseStatement(t, `SELECT * ORDER BY foo ASC, bar DESC`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
OrderBy: []*sqlparser.OrderingTerm{
{X: &sqlparser.Ident{Name: "foo"}, Asc: true},
{X: &sqlparser.Ident{Name: "bar"}, Desc: true},
},
})
AssertParseStatement(t, `SELECT * LIMIT 1`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Limit: &sqlparser.NumberLit{Value: "1"},
})
AssertParseStatement(t, `SELECT * LIMIT 1 OFFSET 2`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Limit: &sqlparser.NumberLit{Value: "1"},
Offset: &sqlparser.NumberLit{Value: "2"},
})
AssertParseStatement(t, `SELECT * LIMIT 1, 2`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Limit: &sqlparser.NumberLit{Value: "1"},
Offset: &sqlparser.NumberLit{Value: "2"},
})
AssertParseStatement(t, `SELECT * UNION SELECT * ORDER BY foo`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Union: true,
Compound: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
OrderBy: []*sqlparser.OrderingTerm{
{X: &sqlparser.Ident{Name: "foo"}},
},
})
AssertParseStatement(t, `SELECT * UNION ALL SELECT *`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Union: true,
UnionAll: true,
Compound: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
})
AssertParseStatement(t, `SELECT * INTERSECT SELECT *`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Intersect: true,
Compound: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
})
AssertParseStatement(t, `SELECT * EXCEPT SELECT *`, &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Except: true,
Compound: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
})
AssertParseStatement(t, `SELECT DISTINCT * FROM tbl WHERE ID = 1 FOR UPDATE NOWAIT`, &sqlparser.SelectStatement{
Distinct: true,
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Condition: &sqlparser.BinaryExpr{
X: &sqlparser.Ident{Name: "ID"},
Op: sqlparser.EQ,
Y: &sqlparser.NumberLit{Value: "1"},
},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
Locking: &sqlparser.LockingClause{
Strength: sqlparser.Update,
Option: sqlparser.Nowait.ToPtr(),
},
})
AssertParseStatement(t, `SELECT DISTINCT * FROM tbl WHERE ID = 1 FOR NO KEY UPDATE SKIP LOCKED`, &sqlparser.SelectStatement{
Distinct: true,
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
Condition: &sqlparser.BinaryExpr{
X: &sqlparser.Ident{Name: "ID"},
Op: sqlparser.EQ,
Y: &sqlparser.NumberLit{Value: "1"},
},
FromItems: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
Locking: &sqlparser.LockingClause{
Strength: sqlparser.NoKeyUpdate,
Option: sqlparser.SkipLocked.ToPtr(),
},
})
AssertParseStatementError(t, `SELECT `, `1:7: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT 1+`, `1:9: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT foo,`, `1:11: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT foo AS`, `1:13: expected column alias, found 'EOF'`)
AssertParseStatementError(t, `SELECT foo.* AS`, `1:14: expected semicolon or EOF, found 'AS'`)
AssertParseStatementError(t, `SELECT foo FROM`, `1:15: expected table name or left paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo INNER`, `1:23: expected JOIN, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo CROSS`, `1:23: expected JOIN, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo NATURAL`, `1:25: expected JOIN, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo LEFT`, `1:22: expected JOIN, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo LEFT OUTER`, `1:28: expected JOIN, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo,`, `1:18: expected table name or left paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo JOIN bar ON`, `1:29: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo JOIN bar USING`, `1:32: expected left paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo JOIN bar USING (`, `1:34: expected column name, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo JOIN bar USING (x`, `1:35: expected comma or right paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo JOIN bar USING (x,`, `1:36: expected column name, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM (`, `1:15: expected table name or left paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM ((`, `1:16: expected table name or left paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM (SELECT`, `1:21: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM (tbl`, `1:18: expected right paren, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM (SELECT *) AS`, `1:27: expected table alias, found 'EOF'`)
AssertParseStatementError(t, `SELECT * FROM foo AS`, `1:20: expected table alias, found 'EOF'`)
AssertParseStatementError(t, `SELECT foo WHERE`, `1:16: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * GROUP`, `1:14: expected BY, found 'EOF'`)
AssertParseStatementError(t, `SELECT * GROUP BY`, `1:17: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * GROUP BY foo bar`, `1:23: expected semicolon or EOF, found bar`)
AssertParseStatementError(t, `SELECT * GROUP BY foo HAVING`, `1:28: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * ORDER`, `1:14: expected BY, found 'EOF'`)
AssertParseStatementError(t, `SELECT * ORDER BY`, `1:17: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * ORDER BY 1,`, `1:20: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * LIMIT`, `1:14: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * LIMIT 1,`, `1:17: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * LIMIT 1 OFFSET`, `1:23: expected expression, found 'EOF'`)
AssertParseStatementError(t, `SELECT * UNION`, `1:14: expected SELECT, found 'EOF'`)
})
t.Run("Insert", func(t *testing.T) {
AssertParseStatement(t, `INSERT INTO tbl (x, y) VALUES (1, 2)`, &sqlparser.InsertStatement{
TableName: &sqlparser.TableName{Name: &sqlparser.Ident{Name: "tbl"}},
ColumnNames: []*sqlparser.Ident{
{Name: "x"},
{Name: "y"},
},
Expressions: []*sqlparser.Exprs{{
Exprs: []sqlparser.Expr{
&sqlparser.NumberLit{Value: "1"},
&sqlparser.NumberLit{Value: "2"},
},
}},
})
AssertParseStatement(t, `INSERT INTO tbl (x) SELECT y`, &sqlparser.InsertStatement{
TableName: &sqlparser.TableName{Name: &sqlparser.Ident{Name: "tbl"}},
ColumnNames: []*sqlparser.Ident{{Name: "x"}},
Query: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Expr: &sqlparser.Ident{Name: "y"},
}},
},
})
AssertParseStatement(t, `INSERT INTO tbl (x) DEFAULT VALUES`, &sqlparser.InsertStatement{
TableName: &sqlparser.TableName{Name: &sqlparser.Ident{Name: "tbl"}},
ColumnNames: []*sqlparser.Ident{{Name: "x"}},
DefaultValues: true,
})
AssertParseStatement(t, `INSERT INTO tbl AS tbl2 (x) DEFAULT VALUES`, &sqlparser.InsertStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
Alias: &sqlparser.Ident{Name: "tbl2"},
},
ColumnNames: []*sqlparser.Ident{{Name: "x"}},
DefaultValues: true,
})
AssertParseStatement(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (y ASC, z DESC) DO NOTHING`, &sqlparser.InsertStatement{
TableName: &sqlparser.TableName{Name: &sqlparser.Ident{Name: "tbl"}},
ColumnNames: []*sqlparser.Ident{{Name: "x"}},
Expressions: []*sqlparser.Exprs{{
Exprs: []sqlparser.Expr{
&sqlparser.NumberLit{Value: "1"},
},
}},
UpsertClause: &sqlparser.UpsertClause{
Columns: []*sqlparser.IndexedColumn{
{X: &sqlparser.Ident{Name: "y"}, Asc: true},
{X: &sqlparser.Ident{Name: "z"}, Desc: true},
},
DoNothing: true,
},
})
AssertParseStatement(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (y) WHERE true DO UPDATE SET foo = 1, (bar, baz) = 2 WHERE false`, &sqlparser.InsertStatement{
TableName: &sqlparser.TableName{Name: &sqlparser.Ident{Name: "tbl"}},
ColumnNames: []*sqlparser.Ident{{Name: "x"}},
Expressions: []*sqlparser.Exprs{{
Exprs: []sqlparser.Expr{
&sqlparser.NumberLit{Value: "1"},
},
}},
UpsertClause: &sqlparser.UpsertClause{
Columns: []*sqlparser.IndexedColumn{
{X: &sqlparser.Ident{Name: "y"}},
},
WhereExpr: &sqlparser.BoolLit{Value: true},
DoUpdate: true,
Assignments: []*sqlparser.Assignment{
{
Columns: []*sqlparser.Ident{
{Name: "foo"},
},
Expr: &sqlparser.NumberLit{Value: "1"},
},
{
Columns: []*sqlparser.Ident{
{Name: "bar"},
{Name: "baz"},
},
Expr: &sqlparser.NumberLit{Value: "2"},
},
},
UpdateWhereExpr: &sqlparser.BoolLit{Value: false},
},
})
AssertParseStatementError(t, `INSERT`, `1:6: expected table name, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO`, `1:11: expected table name, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl AS`, `1:18: expected table alias, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl `, `1:16: expected DEFAULT VALUES, VALUES or SELECT, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (`, `1:17: expected column name, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x`, `1:18: expected comma or right paren, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x)`, `1:19: expected DEFAULT VALUES, VALUES or SELECT, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES`, `1:26: expected left paren, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (`, `1:28: expected expression, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1`, `1:29: expected comma or right paren, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) SELECT`, `1:26: expected expression, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) DEFAULT`, `1:27: expected VALUES, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON`, `1:33: expected CONFLICT or DUPLICATE, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (`, `1:44: expected expression, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x`, `1:45: expected comma or right paren, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) WHERE`, `1:52: expected expression, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x)`, `1:46: expected DO, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO`, `1:49: expected NOTHING or UPDATE SET, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO UPDATE`, `1:56: expected SET, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO UPDATE SET foo`, `1:64: expected =, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO UPDATE SET foo =`, `1:66: expected expression, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO UPDATE SET foo = 1 WHERE`, `1:74: expected expression, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO UPDATE SET (`, `1:62: expected column name, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) ON CONFLICT (x) DO UPDATE SET (foo`, `1:65: expected comma or right paren, found 'EOF'`)
AssertParseStatementError(t, `INSERT INTO tbl (x) VALUES (1) RETURNING`, `1:40: expected expression, found 'EOF'`)
})
t.Run("Update", func(t *testing.T) {
AssertParseStatement(t, `UPDATE tbl SET x = 1, y = 2`, &sqlparser.UpdateStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
Assignments: []*sqlparser.Assignment{
{
Columns: []*sqlparser.Ident{{Name: "x"}},
Expr: &sqlparser.NumberLit{Value: "1"},
},
{
Columns: []*sqlparser.Ident{{Name: "y"}},
Expr: &sqlparser.NumberLit{Value: "2"},
},
},
})
AssertParseStatement(t, `UPDATE tbl SET x = 1 WHERE y = 2`, &sqlparser.UpdateStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
Assignments: []*sqlparser.Assignment{{
Columns: []*sqlparser.Ident{{Name: "x"}},
Expr: &sqlparser.NumberLit{Value: "1"},
}},
Condition: &sqlparser.BinaryExpr{
X: &sqlparser.Ident{Name: "y"},
Op: sqlparser.EQ,
Y: &sqlparser.NumberLit{Value: "2"},
},
})
AssertParseStatementError(t, `UPDATE`, `1:6: expected table name, found 'EOF'`)
AssertParseStatementError(t, `UPDATE tbl`, `1:10: expected SET, found 'EOF'`)
AssertParseStatementError(t, `UPDATE tbl SET`, `1:14: expected column name or column list, found 'EOF'`)
AssertParseStatementError(t, `UPDATE tbl SET x = `, `1:19: expected expression, found 'EOF'`)
AssertParseStatementError(t, `UPDATE tbl SET x = 1 WHERE`, `1:26: expected expression, found 'EOF'`)
AssertParseStatementError(t, `UPDATE tbl SET x = 1 WHERE y =`, `1:30: expected expression, found 'EOF'`)
})
t.Run("Delete", func(t *testing.T) {
AssertParseStatement(t, `DELETE FROM tbl`, &sqlparser.DeleteStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
})
AssertParseStatement(t, `DELETE FROM tbl WHERE x = 1`, &sqlparser.DeleteStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
Condition: &sqlparser.BinaryExpr{
X: &sqlparser.Ident{Name: "x"},
Op: sqlparser.EQ,
Y: &sqlparser.NumberLit{Value: "1"},
},
})
AssertParseStatement(t, `DELETE FROM ONLY tbl`, &sqlparser.DeleteStatement{
Only: true,
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
})
/*
AssertParseStatement(t, `DELETE FROM tbl USING tbl2, tbl3`, &sqlparser.DeleteStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
UsingList: []*sqlparser.TableName{
&sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
&sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
},
})*/
AssertParseStatement(t, `DELETE FROM tbl WHERE CURRENT OF c_tasks`, &sqlparser.DeleteStatement{
TableName: &sqlparser.TableName{
Name: &sqlparser.Ident{Name: "tbl"},
},
CursorName: &sqlparser.Ident{Name: "c_tasks"},
})
AssertParseStatementError(t, `DELETE FROM`, `1:11: expected table name, found 'EOF'`)
AssertParseStatementError(t, `DELETE FROM tbl WHERE`, `1:21: expected expression, found 'EOF'`)
})
}
func TestParser_ParseExpr(t *testing.T) {
t.Run("Ident", func(t *testing.T) {
AssertParseExpr(t, `fooBAR_123'`, &sqlparser.Ident{Name: `fooBAR_123`})
})
t.Run("StringLit", func(t *testing.T) {
AssertParseExpr(t, `'foo bar'`, &sqlparser.StringLit{Value: `foo bar`})
})
t.Run("BlobLit", func(t *testing.T) {
AssertParseExpr(t, `x'0123'`, &sqlparser.BlobLit{Value: `0123`})
})
t.Run("Integer", func(t *testing.T) {
AssertParseExpr(t, `123`, &sqlparser.NumberLit{Value: `123`})
})
t.Run("Float", func(t *testing.T) {
AssertParseExpr(t, `123.456`, &sqlparser.NumberLit{Value: `123.456`})
})
t.Run("Null", func(t *testing.T) {
AssertParseExpr(t, `NULL`, &sqlparser.NullLit{})
})
t.Run("Bool", func(t *testing.T) {
AssertParseExpr(t, `true`, &sqlparser.BoolLit{Value: true})
AssertParseExpr(t, `false`, &sqlparser.BoolLit{Value: false})
})
t.Run("Bind", func(t *testing.T) {
AssertParseExpr(t, `$bar`, &sqlparser.BindExpr{Name: "$bar"})
})
t.Run("UnaryExpr", func(t *testing.T) {
AssertParseExpr(t, `-123`, &sqlparser.UnaryExpr{Op: sqlparser.MINUS, X: &sqlparser.NumberLit{Value: `123`}})
AssertParseExprError(t, `-`, `1:1: expected expression, found 'EOF'`)
})
t.Run("QualifiedRef", func(t *testing.T) {
AssertParseExpr(t, `tbl.col`, &sqlparser.QualifiedRef{
Table: &sqlparser.Ident{Name: "tbl"},
Column: &sqlparser.Ident{Name: "col"},
})
AssertParseExpr(t, `"tbl"."col"`, &sqlparser.QualifiedRef{
Table: &sqlparser.Ident{Name: "tbl", Quoted: true, QuoteChar: `"`},
Column: &sqlparser.Ident{Name: "col", Quoted: true, QuoteChar: `"`},
})
AssertParseExpr(t, "`tbl`.`col`", &sqlparser.QualifiedRef{
Table: &sqlparser.Ident{Name: "tbl", Quoted: true, QuoteChar: "`"},
Column: &sqlparser.Ident{Name: "col", Quoted: true, QuoteChar: "`"},
})
AssertParseExprError(t, `tbl.`, `1:4: expected column name, found 'EOF'`)
})
t.Run("Exists", func(t *testing.T) {
AssertParseExpr(t, `EXISTS (SELECT *)`, &sqlparser.Exists{
Select: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
})
AssertParseExpr(t, `NOT EXISTS (SELECT *)`, &sqlparser.Exists{
Not: true,
Select: &sqlparser.SelectStatement{
Columns: &sqlparser.OutputNames{&sqlparser.ResultColumn{
Star: true,
}},
},
})
AssertParseExprError(t, `NOT`, `1:3: expected EXISTS, found 'EOF'`)
AssertParseExprError(t, `EXISTS`, `1:6: expected left paren, found 'EOF'`)
AssertParseExprError(t, `EXISTS (`, `1:8: expected SELECT, found 'EOF'`)
AssertParseExprError(t, `EXISTS (SELECT`, `1:14: expected expression, found 'EOF'`)
AssertParseExprError(t, `EXISTS (SELECT *`, `1:16: expected right paren, found 'EOF'`)
})
t.Run("BinaryExpr", func(t *testing.T) {
AssertParseExpr(t, `1 + 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.PLUS,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 - 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.MINUS,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 * 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.STAR,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 / 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.SLASH,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 % 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.REM,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 || 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.CONCAT,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 << 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.LSHIFT,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 >> 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.RSHIFT,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 & 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.BITAND,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 | 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.BITOR,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 < 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.LT,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 <= 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.LE,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 <> 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.LG,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 > 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.GT,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 >= 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.GE,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 = 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.EQ,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 != 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NE,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `(1 + 2)'`, &sqlparser.ParenExpr{
X: &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.PLUS,
Y: &sqlparser.NumberLit{Value: "2"},
},
})
AssertParseExprError(t, `(`, `1:1: expected expression, found 'EOF'`)
AssertParseExpr(t, `1 IS 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.IS,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 IS NOT 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.ISNOT,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 LIKE 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.LIKE,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 NOT LIKE 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NOTLIKE,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 GLOB 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.GLOB,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 NOT GLOB 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NOTGLOB,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 REGEXP 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.REGEXP,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 NOT REGEXP 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NOTREGEXP,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 MATCH 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.MATCH,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExpr(t, `1 NOT MATCH 2'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NOTMATCH,
Y: &sqlparser.NumberLit{Value: "2"},
})
AssertParseExprError(t, `1 NOT TABLE`, `1:7: expected IN, LIKE, GLOB, REGEXP, MATCH, or BETWEEN, found 'TABLE'`)
AssertParseExpr(t, `1 IN (2, 3)'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.IN,
Y: &sqlparser.Exprs{
Exprs: []sqlparser.Expr{
&sqlparser.NumberLit{Value: "2"},
&sqlparser.NumberLit{Value: "3"},
},
},
})
AssertParseExpr(t, `1 NOT IN (2, 3)'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NOTIN,
Y: &sqlparser.Exprs{
Exprs: []sqlparser.Expr{
&sqlparser.NumberLit{Value: "2"},
&sqlparser.NumberLit{Value: "3"},
},
},
})
AssertParseExprError(t, `1 IN 2`, `1:6: expected left paren, found 2`)
AssertParseExprError(t, `1 IN (`, `1:6: expected expression, found 'EOF'`)
AssertParseExprError(t, `1 IN (2 3`, `1:9: expected comma or right paren, found 3`)
AssertParseExpr(t, `1 BETWEEN 2 AND 3'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.BETWEEN,
Y: &sqlparser.Range{
X: &sqlparser.NumberLit{Value: "2"},
Y: &sqlparser.NumberLit{Value: "3"},
},
})
AssertParseExpr(t, `1 NOT BETWEEN 2 AND 3'`, &sqlparser.BinaryExpr{
X: &sqlparser.NumberLit{Value: "1"},
Op: sqlparser.NOTBETWEEN,
Y: &sqlparser.Range{
X: &sqlparser.NumberLit{Value: "2"},
Y: &sqlparser.NumberLit{Value: "3"},
},
})
AssertParseExprError(t, `1 BETWEEN`, `1:9: expected expression, found 'EOF'`)
AssertParseExprError(t, `1 BETWEEN 2`, `1:11: expected range expression, found 'EOF'`)
AssertParseExprError(t, `1 BETWEEN 2 + 3`, `1:15: expected range expression, found 'EOF'`)
AssertParseExprError(t, `1 + `, `1:4: expected expression, found 'EOF'`)
})
t.Run("Call", func(t *testing.T) {
AssertParseExpr(t, `sum()`, &sqlparser.Call{
Name: &sqlparser.Ident{Name: "sum"},
})
AssertParseExpr(t, `sum(*)`, &sqlparser.Call{
Name: &sqlparser.Ident{Name: "sum"},
Star: true,
})
AssertParseExpr(t, `sum(foo, 123)`, &sqlparser.Call{
Name: &sqlparser.Ident{Name: "sum"},
Args: []sqlparser.Expr{
&sqlparser.Ident{Name: "foo"},
&sqlparser.NumberLit{Value: "123"},
},
})
AssertParseExpr(t, `sum(distinct 'foo')`, &sqlparser.Call{
Name: &sqlparser.Ident{Name: "sum"},
Distinct: true,
Args: []sqlparser.Expr{
&sqlparser.StringLit{Value: "foo"},
},
})
AssertParseExpr(t, `sum() filter (where true)`, &sqlparser.Call{
Name: &sqlparser.Ident{Name: "sum"},
Filter: &sqlparser.FilterClause{
X: &sqlparser.BoolLit{Value: true},
},
})
AssertParseExprError(t, `sum(`, `1:4: expected expression, found 'EOF'`)
AssertParseExprError(t, `sum(*`, `1:5: expected right paren, found 'EOF'`)
AssertParseExprError(t, `sum(foo foo`, `1:9: expected comma or right paren, found foo`)
AssertParseExprError(t, `sum() filter`, `1:12: expected left paren, found 'EOF'`)
AssertParseExprError(t, `sum() filter (`, `1:14: expected WHERE, found 'EOF'`)
AssertParseExprError(t, `sum() filter (where`, `1:19: expected expression, found 'EOF'`)
AssertParseExprError(t, `sum() filter (where true`, `1:24: expected right paren, found 'EOF'`)
})
t.Run("Case", func(t *testing.T) {
AssertParseExpr(t, `CASE 1 WHEN 2 THEN 3 WHEN 4 THEN 5 ELSE 6 END`, &sqlparser.CaseExpr{
Operand: &sqlparser.NumberLit{Value: "1"},
Blocks: []*sqlparser.CaseBlock{
{
Condition: &sqlparser.NumberLit{Value: "2"},
Body: &sqlparser.NumberLit{Value: "3"},
},
{
Condition: &sqlparser.NumberLit{Value: "4"},
Body: &sqlparser.NumberLit{Value: "5"},
},
},
ElseExpr: &sqlparser.NumberLit{Value: "6"},
})
AssertParseExpr(t, `CASE WHEN 1 THEN 2 END`, &sqlparser.CaseExpr{
Blocks: []*sqlparser.CaseBlock{
{
Condition: &sqlparser.NumberLit{Value: "1"},
Body: &sqlparser.NumberLit{Value: "2"},
},
},
})
AssertParseExprError(t, `CASE`, `1:4: expected expression, found 'EOF'`)
AssertParseExprError(t, `CASE 1`, `1:6: expected WHEN, found 'EOF'`)
AssertParseExprError(t, `CASE WHEN`, `1:9: expected expression, found 'EOF'`)
AssertParseExprError(t, `CASE WHEN 1`, `1:11: expected THEN, found 'EOF'`)
AssertParseExprError(t, `CASE WHEN 1 THEN`, `1:16: expected expression, found 'EOF'`)
AssertParseExprError(t, `CASE WHEN 1 THEN 2`, `1:18: expected WHEN, ELSE or END, found 'EOF'`)
AssertParseExprError(t, `CASE WHEN 1 THEN 2 ELSE`, `1:23: expected expression, found 'EOF'`)
AssertParseExprError(t, `CASE WHEN 1 THEN 2 ELSE 3`, `1:25: expected END, found 'EOF'`)
})
}
func TestError_Error(t *testing.T) {
err := &sqlparser.Error{Msg: "test"}
if got, want := err.Error(), `test`; got != want {
t.Fatalf("Error()=%s, want %s", got, want)
}
}
// ParseStatementOrFail parses a statement from s. Fail on error.
func ParseStatementOrFail(tb testing.TB, s string) sqlparser.Statement {
tb.Helper()
stmt, err := sqlparser.NewParser(strings.NewReader(s)).ParseStatement()
if err != nil {
tb.Fatal(err)
}
return stmt
}
// AssertParseStatement asserts the value of the first parse of s.
func AssertParseStatement(tb testing.TB, s string, want sqlparser.Statement) {
tb.Helper()
stmt, err := sqlparser.NewParser(strings.NewReader(s)).ParseStatement()
if err != nil {
tb.Fatal(err)
} else if diff := deep.Equal(stmt, want); diff != nil {
tb.Fatalf("mismatch:\n%s", strings.Join(diff, "\n"))
}
}
// AssertParseStatementError asserts s parses to a given error string.
func AssertParseStatementError(tb testing.TB, s string, want string) {
tb.Helper()
_, err := sqlparser.NewParser(strings.NewReader(s)).ParseStatement()
if err == nil || err.Error() != want {
tb.Fatalf("ParseStatement()=%q, want %q", err, want)
}
}
// ParseExprOrFail parses a expression from s. Fail on error.
func ParseExprOrFail(tb testing.TB, s string) sqlparser.Expr {
tb.Helper()
stmt, err := sqlparser.NewParser(strings.NewReader(s)).ParseExpr()
if err != nil {
tb.Fatal(err)
}
return stmt
}
// AssertParseExpr asserts the value of the first parse of s.
func AssertParseExpr(tb testing.TB, s string, want sqlparser.Expr) {