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[postgres] Add support for ON CONFLICT clause

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This commit is contained in:
go-jet 2020-04-12 18:53:57 +02:00
parent eea776a1ac
commit 14e1863456
42 changed files with 827 additions and 277 deletions
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4
internal/jet/cast.go
View file

@ -42,12 +42,12 @@ func (b *castExpression) serialize(statement StatementType, out *SQLBuilder, opt
castType := b.cast
if castOverride := out.Dialect.OperatorSerializeOverride("CAST"); castOverride != nil {
castOverride(expression, String(castType))(statement, out, options...)
castOverride(expression, String(castType))(statement, out, FallTrough(options)...)
return
}
out.WriteString("CAST(")
expression.serialize(statement, out, options...)
expression.serialize(statement, out, FallTrough(options)...)
out.WriteString("AS")
out.WriteString(castType + ")")
}

120
internal/jet/clause.go
View file

@ -6,7 +6,7 @@ import (
// Clause interface
type Clause interface {
Serialize(statementType StatementType, out *SQLBuilder)
Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption)
}
// ClauseWithProjections interface
@ -27,7 +27,7 @@ func (s *ClauseSelect) projections() ProjectionList {
}
// Serialize serializes clause into SQLBuilder
func (s *ClauseSelect) Serialize(statementType StatementType, out *SQLBuilder) {
func (s *ClauseSelect) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString("SELECT")
@ -48,7 +48,7 @@ type ClauseFrom struct {
}
// Serialize serializes clause into SQLBuilder
func (f *ClauseFrom) Serialize(statementType StatementType, out *SQLBuilder) {
func (f *ClauseFrom) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if f.Table == nil {
return
}
@ -56,7 +56,7 @@ func (f *ClauseFrom) Serialize(statementType StatementType, out *SQLBuilder) {
out.WriteString("FROM")
out.IncreaseIdent()
f.Table.serialize(statementType, out)
f.Table.serialize(statementType, out, FallTrough(options)...)
out.DecreaseIdent()
}
@ -67,18 +67,20 @@ type ClauseWhere struct {
}
// Serialize serializes clause into SQLBuilder
func (c *ClauseWhere) Serialize(statementType StatementType, out *SQLBuilder) {
func (c *ClauseWhere) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if c.Condition == nil {
if c.Mandatory {
panic("jet: WHERE clause not set")
}
return
}
out.NewLine()
if !contains(options, SkipNewLine) {
out.NewLine()
}
out.WriteString("WHERE")
out.IncreaseIdent()
c.Condition.serialize(statementType, out, noWrap)
c.Condition.serialize(statementType, out, NoWrap.WithFallTrough(options)...)
out.DecreaseIdent()
}
@ -88,7 +90,7 @@ type ClauseGroupBy struct {
}
// Serialize serializes clause into SQLBuilder
func (c *ClauseGroupBy) Serialize(statementType StatementType, out *SQLBuilder) {
func (c *ClauseGroupBy) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if len(c.List) == 0 {
return
}
@ -119,7 +121,7 @@ type ClauseHaving struct {
}
// Serialize serializes clause into SQLBuilder
func (c *ClauseHaving) Serialize(statementType StatementType, out *SQLBuilder) {
func (c *ClauseHaving) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if c.Condition == nil {
return
}
@ -128,7 +130,7 @@ func (c *ClauseHaving) Serialize(statementType StatementType, out *SQLBuilder) {
out.WriteString("HAVING")
out.IncreaseIdent()
c.Condition.serialize(statementType, out, noWrap)
c.Condition.serialize(statementType, out, NoWrap.WithFallTrough(options)...)
out.DecreaseIdent()
}
@ -139,7 +141,7 @@ type ClauseOrderBy struct {
}
// Serialize serializes clause into SQLBuilder
func (o *ClauseOrderBy) Serialize(statementType StatementType, out *SQLBuilder) {
func (o *ClauseOrderBy) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if o.List == nil {
return
}
@ -168,7 +170,7 @@ type ClauseLimit struct {
}
// Serialize serializes clause into SQLBuilder
func (l *ClauseLimit) Serialize(statementType StatementType, out *SQLBuilder) {
func (l *ClauseLimit) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if l.Count >= 0 {
out.NewLine()
out.WriteString("LIMIT")
@ -182,7 +184,7 @@ type ClauseOffset struct {
}
// Serialize serializes clause into SQLBuilder
func (o *ClauseOffset) Serialize(statementType StatementType, out *SQLBuilder) {
func (o *ClauseOffset) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if o.Count >= 0 {
out.NewLine()
out.WriteString("OFFSET")
@ -196,14 +198,14 @@ type ClauseFor struct {
}
// Serialize serializes clause into SQLBuilder
func (f *ClauseFor) Serialize(statementType StatementType, out *SQLBuilder) {
func (f *ClauseFor) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if f.Lock == nil {
return
}
out.NewLine()
out.WriteString("FOR")
f.Lock.serialize(statementType, out)
f.Lock.serialize(statementType, out, FallTrough(options)...)
}
// ClauseSetStmtOperator struct
@ -224,7 +226,7 @@ func (s *ClauseSetStmtOperator) projections() ProjectionList {
}
// Serialize serializes clause into SQLBuilder
func (s *ClauseSetStmtOperator) Serialize(statementType StatementType, out *SQLBuilder) {
func (s *ClauseSetStmtOperator) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if len(s.Selects) < 2 {
panic("jet: UNION Statement must contain at least two SELECT statements")
}
@ -244,7 +246,7 @@ func (s *ClauseSetStmtOperator) Serialize(statementType StatementType, out *SQLB
panic("jet: select statement of '" + s.Operator + "' is nil")
}
selectStmt.serialize(statementType, out)
selectStmt.serialize(statementType, out, FallTrough(options)...)
}
s.OrderBy.Serialize(statementType, out)
@ -258,7 +260,7 @@ type ClauseUpdate struct {
}
// Serialize serializes clause into SQLBuilder
func (u *ClauseUpdate) Serialize(statementType StatementType, out *SQLBuilder) {
func (u *ClauseUpdate) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString("UPDATE")
@ -266,7 +268,7 @@ func (u *ClauseUpdate) Serialize(statementType StatementType, out *SQLBuilder) {
panic("jet: table to update is nil")
}
u.Table.serialize(statementType, out)
u.Table.serialize(statementType, out, FallTrough(options)...)
}
// ClauseSet struct
@ -276,7 +278,7 @@ type ClauseSet struct {
}
// Serialize serializes clause into SQLBuilder
func (s *ClauseSet) Serialize(statementType StatementType, out *SQLBuilder) {
func (s *ClauseSet) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString("SET")
@ -299,7 +301,7 @@ func (s *ClauseSet) Serialize(statementType StatementType, out *SQLBuilder) {
out.WriteString(" = ")
s.Values[i].serialize(UpdateStatementType, out)
s.Values[i].serialize(UpdateStatementType, out, FallTrough(options)...)
}
out.DecreaseIdent(4)
}
@ -320,7 +322,7 @@ func (i *ClauseInsert) GetColumns() []Column {
}
// Serialize serializes clause into SQLBuilder
func (i *ClauseInsert) Serialize(statementType StatementType, out *SQLBuilder) {
func (i *ClauseInsert) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString("INSERT INTO")
@ -346,7 +348,7 @@ type ClauseValuesQuery struct {
}
// Serialize serializes clause into SQLBuilder
func (v *ClauseValuesQuery) Serialize(statementType StatementType, out *SQLBuilder) {
func (v *ClauseValuesQuery) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if len(v.Rows) == 0 && v.Query == nil {
panic("jet: VALUES or QUERY has to be specified for INSERT statement")
}
@ -355,8 +357,8 @@ func (v *ClauseValuesQuery) Serialize(statementType StatementType, out *SQLBuild
panic("jet: VALUES or QUERY has to be specified for INSERT statement")
}
v.ClauseValues.Serialize(statementType, out)
v.ClauseQuery.Serialize(statementType, out)
v.ClauseValues.Serialize(statementType, out, FallTrough(options)...)
v.ClauseQuery.Serialize(statementType, out, FallTrough(options)...)
}
// ClauseValues struct
@ -365,27 +367,29 @@ type ClauseValues struct {
}
// Serialize serializes clause into SQLBuilder
func (v *ClauseValues) Serialize(statementType StatementType, out *SQLBuilder) {
func (v *ClauseValues) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if len(v.Rows) == 0 {
return
}
out.NewLine()
out.WriteString("VALUES")
for rowIndex, row := range v.Rows {
if rowIndex > 0 {
out.WriteString(",")
out.NewLine()
} else {
out.IncreaseIdent(7)
}
out.IncreaseIdent()
out.NewLine()
out.WriteString("(")
SerializeClauseList(statementType, row, out)
out.WriteByte(')')
out.DecreaseIdent()
}
out.DecreaseIdent(7)
}
// ClauseQuery struct
@ -394,12 +398,12 @@ type ClauseQuery struct {
}
// Serialize serializes clause into SQLBuilder
func (v *ClauseQuery) Serialize(statementType StatementType, out *SQLBuilder) {
func (v *ClauseQuery) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if v.Query == nil {
return
}
v.Query.serialize(statementType, out)
v.Query.serialize(statementType, out, FallTrough(options)...)
}
// ClauseDelete struct
@ -408,7 +412,7 @@ type ClauseDelete struct {
}
// Serialize serializes clause into SQLBuilder
func (d *ClauseDelete) Serialize(statementType StatementType, out *SQLBuilder) {
func (d *ClauseDelete) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString("DELETE FROM")
@ -416,7 +420,7 @@ func (d *ClauseDelete) Serialize(statementType StatementType, out *SQLBuilder) {
panic("jet: nil table in DELETE clause")
}
d.Table.serialize(statementType, out)
d.Table.serialize(statementType, out, FallTrough(options)...)
}
// ClauseStatementBegin struct
@ -426,7 +430,7 @@ type ClauseStatementBegin struct {
}
// Serialize serializes clause into SQLBuilder
func (d *ClauseStatementBegin) Serialize(statementType StatementType, out *SQLBuilder) {
func (d *ClauseStatementBegin) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString(d.Name)
@ -435,7 +439,7 @@ func (d *ClauseStatementBegin) Serialize(statementType StatementType, out *SQLBu
out.WriteString(", ")
}
table.serialize(statementType, out)
table.serialize(statementType, out, FallTrough(options)...)
}
}
@ -447,7 +451,7 @@ type ClauseOptional struct {
}
// Serialize serializes clause into SQLBuilder
func (d *ClauseOptional) Serialize(statementType StatementType, out *SQLBuilder) {
func (d *ClauseOptional) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if !d.Show {
return
}
@ -463,7 +467,7 @@ type ClauseIn struct {
}
// Serialize serializes clause into SQLBuilder
func (i *ClauseIn) Serialize(statementType StatementType, out *SQLBuilder) {
func (i *ClauseIn) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if i.LockMode == "" {
return
}
@ -485,7 +489,7 @@ type ClauseWindow struct {
}
// Serialize serializes clause into SQLBuilder
func (i *ClauseWindow) Serialize(statementType StatementType, out *SQLBuilder) {
func (i *ClauseWindow) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
if len(i.Definitions) == 0 {
return
}
@ -503,6 +507,44 @@ func (i *ClauseWindow) Serialize(statementType StatementType, out *SQLBuilder) {
out.WriteString("()")
continue
}
def.Window.serialize(statementType, out)
def.Window.serialize(statementType, out, FallTrough(options)...)
}
}
// SetPair clause
type SetPair struct {
Column ColumnSerializer
Value Serializer
}
// SetClause clause
type SetClause []SetPair
// Serialize for SetClause
func (s SetClause) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
out.NewLine()
out.WriteString("SET")
out.IncreaseIdent(4)
for i, pair := range s {
if i > 0 {
out.WriteString(",")
out.NewLine()
}
pair.Column.serialize(statementType, out, ShortName.WithFallTrough(options)...)
out.WriteString("=")
pair.Value.serialize(statementType, out, FallTrough(options)...)
}
out.DecreaseIdent(4)
}
// KeywordClause type
type KeywordClause struct {
Keyword
}
// Serialize for KeywordClause
func (k KeywordClause) Serialize(statementType StatementType, out *SQLBuilder, options ...SerializeOption) {
k.serialize(statementType, out, FallTrough(options)...)
}

19
internal/jet/column.go
View file

@ -12,6 +12,12 @@ type Column interface {
defaultAlias() string
}
// ColumnSerializer is interface for all serializable columns
type ColumnSerializer interface {
Serializer
Column
}
// ColumnExpression interface
type ColumnExpression interface {
Column
@ -101,7 +107,7 @@ func (c ColumnExpressionImpl) serialize(statement StatementType, out *SQLBuilder
out.WriteByte('.')
out.WriteIdentifier(c.defaultAlias(), true)
} else {
if c.tableName != "" {
if c.tableName != "" && !contains(options, ShortName) {
out.WriteIdentifier(c.tableName)
out.WriteByte('.')
}
@ -125,6 +131,17 @@ func (cl ColumnList) fromImpl(subQuery SelectTable) Projection {
return newProjectionList
}
func (cl ColumnList) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
out.WriteString("(")
for i, column := range cl {
if i > 0 {
out.WriteString(", ")
}
column.serialize(statement, out, FallTrough(options)...)
}
out.WriteString(")")
}
func (cl ColumnList) serializeForProjection(statement StatementType, out *SQLBuilder) {
projections := ColumnListToProjectionList(cl)

18
internal/jet/expression.go
View file

@ -72,15 +72,15 @@ func (e *ExpressionInterfaceImpl) DESC() OrderByClause {
}
func (e *ExpressionInterfaceImpl) serializeForGroupBy(statement StatementType, out *SQLBuilder) {
e.Parent.serialize(statement, out, noWrap)
e.Parent.serialize(statement, out, NoWrap)
}
func (e *ExpressionInterfaceImpl) serializeForProjection(statement StatementType, out *SQLBuilder) {
e.Parent.serialize(statement, out, noWrap)
e.Parent.serialize(statement, out, NoWrap)
}
func (e *ExpressionInterfaceImpl) serializeForOrderBy(statement StatementType, out *SQLBuilder) {
e.Parent.serialize(statement, out, noWrap)
e.Parent.serialize(statement, out, NoWrap)
}
// Representation of binary operations (e.g. comparisons, arithmetic)
@ -117,7 +117,7 @@ func (c *binaryOperatorExpression) serialize(statement StatementType, out *SQLBu
panic("jet: rhs is nil for '" + c.operator + "' operator")
}
wrap := !contains(options, noWrap)
wrap := !contains(options, NoWrap)
if wrap {
out.WriteString("(")
@ -125,11 +125,11 @@ func (c *binaryOperatorExpression) serialize(statement StatementType, out *SQLBu
if serializeOverride := out.Dialect.OperatorSerializeOverride(c.operator); serializeOverride != nil {
serializeOverrideFunc := serializeOverride(c.lhs, c.rhs, c.additionalParam)
serializeOverrideFunc(statement, out, options...)
serializeOverrideFunc(statement, out, FallTrough(options)...)
} else {
c.lhs.serialize(statement, out)
c.lhs.serialize(statement, out, FallTrough(options)...)
out.WriteString(c.operator)
c.rhs.serialize(statement, out)
c.rhs.serialize(statement, out, FallTrough(options)...)
}
if wrap {
@ -163,7 +163,7 @@ func (p *prefixExpression) serialize(statement StatementType, out *SQLBuilder, o
panic("jet: nil prefix expression in prefix operator " + p.operator)
}
p.expression.serialize(statement, out)
p.expression.serialize(statement, out, FallTrough(options)...)
out.WriteString(")")
}
@ -192,7 +192,7 @@ func (p *postfixOpExpression) serialize(statement StatementType, out *SQLBuilder
panic("jet: nil prefix expression in postfix operator " + p.operator)
}
p.expression.serialize(statement, out)
p.expression.serialize(statement, out, FallTrough(options)...)
out.WriteString(p.operator)
}

2
internal/jet/func_expression.go
View file

@ -613,7 +613,7 @@ func newWindowFunc(name string, expressions ...Expression) windowExpression {
func (f *funcExpressionImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
if serializeOverride := out.Dialect.FunctionSerializeOverride(f.name); serializeOverride != nil {
serializeOverrideFunc := serializeOverride(ExpressionListToSerializerList(f.expressions)...)
serializeOverrideFunc(statement, out, options...)
serializeOverrideFunc(statement, out, FallTrough(options)...)
return
}

2
internal/jet/interval.go
View file

@ -33,5 +33,5 @@ type IntervalImpl struct {
func (i IntervalImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
out.WriteString("INTERVAL")
i.interval.serialize(statement, out, options...)
i.interval.serialize(statement, out, FallTrough(options)...)
}

14
internal/jet/keyword.go
View file

@ -2,18 +2,12 @@ package jet
const (
// DEFAULT is jet equivalent of SQL DEFAULT
DEFAULT keywordClause = "DEFAULT"
DEFAULT Keyword = "DEFAULT"
)
var (
// NULL is jet equivalent of SQL NULL
NULL = newNullLiteral()
// STAR is jet equivalent of SQL *
STAR = newStarLiteral()
)
// Keyword type
type Keyword string
type keywordClause string
func (k keywordClause) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
func (k Keyword) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
out.WriteString(string(k))
}

8
internal/jet/literal_expression.go
View file

@ -278,6 +278,14 @@ func formatNanoseconds(nanoseconds ...time.Duration) string {
}
//--------------------------------------------------//
var (
// NULL is jet equivalent of SQL NULL
NULL = newNullLiteral()
// STAR is jet equivalent of SQL *
STAR = newStarLiteral()
)
type nullLiteral struct {
ExpressionInterfaceImpl
}

8
internal/jet/operators.go
View file

@ -147,7 +147,7 @@ func (c *caseOperatorImpl) serialize(statement StatementType, out *SQLBuilder, o
out.WriteString("(CASE")
if c.expression != nil {
c.expression.serialize(statement, out)
c.expression.serialize(statement, out, FallTrough(options)...)
}
if len(c.when) == 0 || len(c.then) == 0 {
@ -160,15 +160,15 @@ func (c *caseOperatorImpl) serialize(statement StatementType, out *SQLBuilder, o
for i, when := range c.when {
out.WriteString("WHEN")
when.serialize(statement, out, noWrap)
when.serialize(statement, out, NoWrap)
out.WriteString("THEN")
c.then[i].serialize(statement, out, noWrap)
c.then[i].serialize(statement, out, NoWrap)
}
if c.els != nil {
out.WriteString("ELSE")
c.els.serialize(statement, out, noWrap)
c.els.serialize(statement, out, NoWrap)
}
out.WriteString("END)")

41
internal/jet/serializer.go
View file

@ -5,9 +5,18 @@ type SerializeOption int
// Serialize options
const (
noWrap SerializeOption = iota
NoWrap SerializeOption = iota
SkipNewLine
fallTroughOptions // fall trough options
ShortName
)
// WithFallTrough extends existing serialize options with additional
func (s SerializeOption) WithFallTrough(options []SerializeOption) []SerializeOption {
return append(FallTrough(options), s)
}
// StatementType is type of the SQL statement
type StatementType string
@ -42,6 +51,19 @@ func contains(options []SerializeOption, option SerializeOption) bool {
return false
}
// FallTrough filters fall-trough options from the list
func FallTrough(options []SerializeOption) []SerializeOption {
var ret []SerializeOption
for _, option := range options {
if option > fallTroughOptions {
ret = append(ret, option)
}
}
return ret
}
// ListSerializer serializes list of serializers with separator
type ListSerializer struct {
Serializers []Serializer
@ -53,6 +75,21 @@ func (s ListSerializer) serialize(statement StatementType, out *SQLBuilder, opti
if i > 0 {
out.WriteString(s.Separator)
}
ser.serialize(statement, out)
ser.serialize(statement, out, FallTrough(options)...)
}
}
// NewSerializerClauseImpl is constructor for Seralizer with list of clauses
func NewSerializerClauseImpl(clauses ...Clause) Serializer {
return &serializerImpl{Clauses: clauses}
}
type serializerImpl struct {
Clauses []Clause
}
func (s serializerImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
for _, clause := range s.Clauses {
clause.Serialize(statement, out, FallTrough(options)...)
}
}

6
internal/jet/sql_builder.go
View file

@ -98,7 +98,7 @@ func (s *SQLBuilder) WriteString(str string) {
// WriteIdentifier adds identifier to output SQL
func (s *SQLBuilder) WriteIdentifier(name string, alwaysQuote ...bool) {
if s.Dialect.IsReservedWord(name) || shouldQuoteIdentifier(name) || len(alwaysQuote) > 0 {
if s.shouldQuote(name, alwaysQuote...) {
identQuoteChar := string(s.Dialect.IdentifierQuoteChar())
s.WriteString(identQuoteChar + name + identQuoteChar)
} else {
@ -106,6 +106,10 @@ func (s *SQLBuilder) WriteIdentifier(name string, alwaysQuote ...bool) {
}
}
func (s *SQLBuilder) shouldQuote(name string, alwaysQuote ...bool) bool {
return s.Dialect.IsReservedWord(name) || shouldQuoteIdentifier(name) || len(alwaysQuote) > 0
}
// WriteByte writes byte to output SQL
func (s *SQLBuilder) WriteByte(b byte) {
s.write([]byte{b})

6
internal/jet/sql_builder_test.go
View file

@ -41,3 +41,9 @@ func TestArgToString(t *testing.T) {
argToString(map[string]bool{})
}()
}
func TestFallTrough(t *testing.T) {
assert.Equal(t, FallTrough([]SerializeOption{ShortName}), []SerializeOption{ShortName})
assert.Equal(t, FallTrough([]SerializeOption{SkipNewLine}), []SerializeOption(nil))
assert.Equal(t, FallTrough([]SerializeOption{ShortName, SkipNewLine}), []SerializeOption{ShortName})
}

10
internal/jet/statement.go
View file

@ -58,7 +58,7 @@ func (s *serializerStatementInterfaceImpl) Sql() (query string, args []interface
queryData := &SQLBuilder{Dialect: s.dialect}
s.parent.serialize(s.statementType, queryData, noWrap)
s.parent.serialize(s.statementType, queryData, NoWrap)
query, args = queryData.finalize()
return
@ -67,7 +67,7 @@ func (s *serializerStatementInterfaceImpl) Sql() (query string, args []interface
func (s *serializerStatementInterfaceImpl) DebugSql() (query string) {
sqlBuilder := &SQLBuilder{Dialect: s.dialect, Debug: true}
s.parent.serialize(s.statementType, sqlBuilder, noWrap)
s.parent.serialize(s.statementType, sqlBuilder, NoWrap)
query, _ = sqlBuilder.finalize()
return
@ -157,16 +157,16 @@ func (s *statementImpl) projections() ProjectionList {
func (s *statementImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
if !contains(options, noWrap) {
if !contains(options, NoWrap) {
out.WriteString("(")
out.IncreaseIdent()
}
for _, clause := range s.Clauses {
clause.Serialize(statement, out)
clause.Serialize(statement, out, FallTrough(options)...)
}
if !contains(options, noWrap) {
if !contains(options, NoWrap) {
out.DecreaseIdent()
out.NewLine()
out.WriteString(")")

10
internal/jet/table.go
View file

@ -19,17 +19,15 @@ type Table interface {
}
// NewTable creates new table with schema Name, table Name and list of columns
func NewTable(schemaName, name string, column ColumnExpression, columns ...ColumnExpression) SerializerTable {
columnList := append([]ColumnExpression{column}, columns...)
func NewTable(schemaName, name string, columns ...ColumnExpression) SerializerTable {
t := tableImpl{
schemaName: schemaName,
name: name,
columnList: columnList,
columnList: columns,
}
for _, c := range columnList {
for _, c := range columns {
c.setTableName(name)
}
@ -156,7 +154,7 @@ func (t *joinTableImpl) serialize(statement StatementType, out *SQLBuilder, opti
panic("jet: left hand side of join operation is nil table")
}
t.lhs.serialize(statement, out)
t.lhs.serialize(statement, out, FallTrough(options)...)
out.NewLine()

21
internal/jet/utils.go
View file

@ -63,6 +63,22 @@ func SerializeColumnNames(columns []Column, out *SQLBuilder) {
}
}
// SerializeColumnExpressionNames func
func SerializeColumnExpressionNames(columns []ColumnExpression, statementType StatementType,
out *SQLBuilder, options ...SerializeOption) {
for i, col := range columns {
if i > 0 {
out.WriteString(", ")
}
if col == nil {
panic("jet: nil column in columns list")
}
col.serialize(statementType, out, options...)
}
}
// ExpressionListToSerializerList converts list of expressions to list of serializers
func ExpressionListToSerializerList(expressions []Expression) []Serializer {
var ret []Serializer
@ -85,7 +101,8 @@ func ColumnListToProjectionList(columns []ColumnExpression) []Projection {
return ret
}
func valueToClause(value interface{}) Serializer {
// ToSerializerValue creates Serializer type from the value
func ToSerializerValue(value interface{}) Serializer {
if clause, ok := value.(Serializer); ok {
return clause
}
@ -148,7 +165,7 @@ func UnwindRowFromValues(value interface{}, values []interface{}) []Serializer {
allValues := append([]interface{}{value}, values...)
for _, val := range allValues {
row = append(row, valueToClause(val))
row = append(row, ToSerializerValue(val))
}
return row

10
internal/jet/window_expression.go
View file

@ -17,7 +17,7 @@ func (w *commonWindowImpl) serialize(statement StatementType, out *SQLBuilder, o
w.expression.serialize(statement, out)
if w.window != nil {
out.WriteString("OVER")
w.window.serialize(statement, out)
w.window.serialize(statement, out, FallTrough(options)...)
}
}
@ -49,7 +49,7 @@ func (f *windowExpressionImpl) OVER(window ...Window) Expression {
}
func (f *windowExpressionImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
f.commonWindowImpl.serialize(statement, out)
f.commonWindowImpl.serialize(statement, out, FallTrough(options)...)
}
// -----------------------------------------------------
@ -80,7 +80,7 @@ func (f *floatWindowExpressionImpl) OVER(window ...Window) FloatExpression {
}
func (f *floatWindowExpressionImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
f.commonWindowImpl.serialize(statement, out)
f.commonWindowImpl.serialize(statement, out, FallTrough(options)...)
}
// ------------------------------------------------
@ -111,7 +111,7 @@ func (f *integerWindowExpressionImpl) OVER(window ...Window) IntegerExpression {
}
func (f *integerWindowExpressionImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
f.commonWindowImpl.serialize(statement, out)
f.commonWindowImpl.serialize(statement, out, FallTrough(options)...)
}
// ------------------------------------------------
@ -142,5 +142,5 @@ func (f *boolWindowExpressionImpl) OVER(window ...Window) BoolExpression {
}
func (f *boolWindowExpressionImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
f.commonWindowImpl.serialize(statement, out)
f.commonWindowImpl.serialize(statement, out, FallTrough(options)...)
}

14
internal/jet/window_func.go
View file

@ -30,7 +30,7 @@ func newWindowImpl(parent Window) *windowImpl {
}
func (w *windowImpl) serialize(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
if !contains(options, noWrap) {
if !contains(options, NoWrap) {
out.WriteByte('(')
}
@ -40,7 +40,7 @@ func (w *windowImpl) serialize(statement StatementType, out *SQLBuilder, options
serializeExpressionList(statement, w.partitionBy, ", ", out)
}
w.orderBy.SkipNewLine = true
w.orderBy.Serialize(statement, out)
w.orderBy.Serialize(statement, out, FallTrough(options)...)
if w.frameUnits != "" {
out.WriteString(w.frameUnits)
@ -55,7 +55,7 @@ func (w *windowImpl) serialize(statement StatementType, out *SQLBuilder, options
}
}
if !contains(options, noWrap) {
if !contains(options, NoWrap) {
out.WriteByte(')')
}
}
@ -139,7 +139,7 @@ func (f *frameExtentImpl) serialize(statement StatementType, out *SQLBuilder, op
if f == nil {
return
}
f.offset.serialize(statement, out)
f.offset.serialize(statement, out, FallTrough(options)...)
if f.preceding {
out.WriteString("PRECEDING")
@ -152,12 +152,12 @@ func (f *frameExtentImpl) serialize(statement StatementType, out *SQLBuilder, op
// Window function keywords
var (
UNBOUNDED = keywordClause("UNBOUNDED")
UNBOUNDED = Keyword("UNBOUNDED")
CURRENT_ROW = frameExtentKeyword{"CURRENT ROW"}
)
type frameExtentKeyword struct {
keywordClause
Keyword
}
func (f frameExtentKeyword) isFrameExtent() {}
@ -180,7 +180,7 @@ func (w windowName) serialize(statement StatementType, out *SQLBuilder, options
out.WriteByte('(')
out.WriteString(w.name)
w.windowImpl.serialize(statement, out, noWrap)
w.windowImpl.serialize(statement, out, NoWrap.WithFallTrough(options)...)
out.WriteByte(')')
}