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Generic dialect support. (MySQL and Postgres)

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This commit is contained in:
go-jet 2019-07-28 14:57:02 +02:00
parent 043a0dc4c0
commit 5dda5e1e11
27 changed files with 440 additions and 92 deletions
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15
clause.go
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@ -30,8 +30,9 @@ func contains(options []serializeOption, option serializeOption) bool {
}
type sqlBuilder struct {
buff bytes.Buffer
args []interface{}
dialect Dialect
buff bytes.Buffer
args []interface{}
lastChar byte
ident int
@ -162,8 +163,9 @@ func isPostSeparator(b byte) bool {
return b == ' ' || b == '.' || b == ',' || b == ')' || b == '\n' || b == ':'
}
func (q *sqlBuilder) writeQuotedString(str string) {
q.writeString(`"` + str + `"`)
func (q *sqlBuilder) writeAlias(str string) {
aliasQuoteChar := string(q.dialect.AliasQuoteChar)
q.writeString(aliasQuoteChar + str + aliasQuoteChar)
}
func (q *sqlBuilder) writeString(str string) {
@ -174,7 +176,8 @@ func (q *sqlBuilder) writeIdentifier(name string) {
quoteWrap := name != strings.ToLower(name) || strings.ContainsAny(name, ". -")
if quoteWrap {
q.writeString(`"` + name + `"`)
identQuoteChar := string(q.dialect.IdentifierQuoteChar)
q.writeString(identQuoteChar + name + identQuoteChar)
} else {
q.writeString(name)
}
@ -194,7 +197,7 @@ func (q *sqlBuilder) insertConstantArgument(arg interface{}) {
func (q *sqlBuilder) insertParametrizedArgument(arg interface{}) {
q.args = append(q.args, arg)
argPlaceholder := "$" + strconv.Itoa(len(q.args))
argPlaceholder := q.dialect.ArgumentPlaceholder(len(q.args))
q.writeString(argPlaceholder)
}