Gleipnir/jet
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Simplify literal expressions.

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go-jet 2026-02-02 13:21:35 +01:00
parent 4995a90483
commit 0e495a279e
26 changed files with 233 additions and 616 deletions
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19
internal/jet/dialect.go
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@ -18,6 +18,7 @@ type Dialect interface {
SerializeOrderBy() func(expression Expression, ascending, nullsFirst *bool) SerializerFunc
ValuesDefaultColumnName(index int) string
JsonValueEncode(expr Expression) Expression
RegexpLike(str StringExpression, not bool, pattern StringExpression, caseSensitive bool) SerializerFunc
}
// SerializerFunc func
@ -43,6 +44,7 @@ type DialectParams struct {
SerializeOrderBy func(expression Expression, ascending, nullsFirst *bool) SerializerFunc
ValuesDefaultColumnName func(index int) string
JsonValueEncode func(expr Expression) Expression
RegexpLike func(str StringExpression, not bool, pattern StringExpression, caseSensitive bool) SerializerFunc
}
// NewDialect creates new dialect with params
@ -60,6 +62,7 @@ func NewDialect(params DialectParams) Dialect {
serializeOrderBy: params.SerializeOrderBy,
valuesDefaultColumnName: params.ValuesDefaultColumnName,
jsonValueEncode: params.JsonValueEncode,
regexpLike: params.RegexpLike,
}
}
@ -76,6 +79,7 @@ type dialectImpl struct {
serializeOrderBy func(expression Expression, ascending, nullsFirst *bool) SerializerFunc
valuesDefaultColumnName func(index int) string
jsonValueEncode func(expr Expression) Expression
regexpLike func(str StringExpression, not bool, pattern StringExpression, caseSensitive bool) SerializerFunc
}
func (d *dialectImpl) Name() string {
@ -133,6 +137,21 @@ func (d *dialectImpl) JsonValueEncode(expr Expression) Expression {
return d.jsonValueEncode(expr)
}
func (d *dialectImpl) RegexpLike(str StringExpression, not bool, pattern StringExpression, caseSensitive bool) SerializerFunc {
if d.regexpLike != nil {
return d.regexpLike(str, not, pattern, caseSensitive)
}
return func(statement StatementType, out *SQLBuilder, options ...SerializeOption) {
str.serialize(statement, out, FallTrough(options)...)
if not {
out.WriteString("NOT")
}
out.WriteString("REGEXP")
pattern.serialize(statement, out, FallTrough(options)...)
}
}
func arrayOfStringsToMapOfStrings(arr []string) map[string]bool {
ret := map[string]bool{}
for _, elem := range arr {