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let gorm support limit and offset binding parameters,change the BindVar of postgres driver #239

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merged 6 commits into from
Feb 4, 2024
Merged

let gorm support limit and offset binding parameters,change the BindVar of postgres driver #239

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257557f
Update postgres.go
jasonchuan Jan 31, 2024
a32114e
optimise the BindVarTo code to ensure the code more efficient
jasonchuan Feb 1, 2024
05fdf2d
fix"for bug " for bindvar
jasonchuan Feb 1, 2024
e2d1007
remove cases
jasonchuan Feb 1, 2024
2498732
remove for logic
jasonchuan Feb 2, 2024
abe05a7
just check the 0 index
jasonchuan Feb 4, 2024
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23 changes: 23 additions & 0 deletions postgres.go
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,30 @@ func (dialector Dialector) DefaultValueOf(field *schema.Field) clause.Expression

func (dialector Dialector) BindVarTo(writer clause.Writer, stmt *gorm.Statement, v interface{}) {
writer.WriteByte('$')
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var tmpVars []interface{}
optionLoop:
for len(stmt.Vars) > 0 {
switch arg := stmt.Vars[0].(type) {
case pgx.QueryResultFormats:
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stmt.Vars = stmt.Vars[1:]
tmpVars = append(tmpVars, arg)
case pgx.QueryResultFormatsByOID:
stmt.Vars = stmt.Vars[1:]
tmpVars = append(tmpVars, arg)
case pgx.QueryExecMode:
stmt.Vars = stmt.Vars[1:]
tmpVars = append(tmpVars, arg)
case pgx.QueryRewriter:
stmt.Vars = stmt.Vars[1:]
tmpVars = append(tmpVars, arg)
default:
break optionLoop
}
}
writer.WriteString(strconv.Itoa(len(stmt.Vars)))
if len(tmpVars) > 0 {
stmt.Vars = append(tmpVars, stmt.Vars...)
}
}

func (dialector Dialector) QuoteTo(writer clause.Writer, str string) {
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