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fix mssql 

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
Andrew Thornton 2023-03-13 10:30:03 +00:00
parent 643636c3b8
commit c7802f9737
No known key found for this signature in database
GPG Key ID: 3CDE74631F13A748
1 changed files with 50 additions and 12 deletions
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62
internal/statements/upsert.go
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@ -131,13 +131,16 @@ func (statement *Statement) genMergeSQL(doUpdate bool, columns []string, args []
}
var updateColumns []string
var updateArgs []interface{}
if doUpdate {
updateColumns = make([]string, 0, len(columns))
for _, column := range columns {
updateArgs = make([]interface{}, 0, len(columns))
for i, column := range columns {
if _, has := uniqueColValMap[schemas.CommonQuoter.Trim(column)]; has {
continue
}
updateColumns = append(updateColumns, quote(column))
updateArgs = append(updateArgs, args[i])
}
doUpdate = doUpdate && (len(updateColumns) > 0)
}
@ -163,15 +166,39 @@ func (statement *Statement) genMergeSQL(doUpdate bool, columns []string, args []
write(")")
if doUpdate {
write(" WHEN MATCHED THEN UPDATE SET ")
write("src.", quote(updateColumns[0]), "= target.", quote(updateColumns[0]))
for _, col := range updateColumns[1:] {
write(", src.", quote(col), "= target.", quote(col))
write("target.", quote(updateColumns[0]), " = ?")
buf.Append(updateArgs[0])
for i, col := range updateColumns[1:] {
write(", target.", quote(col), " = ?")
buf.Append(updateArgs[i+1])
}
}
write(" WHEN NOT MATCHED THEN INSERT ")
if err := statement.genInsertValues(buf, columns, args); err != nil {
includeAutoIncrement := statement.includeAutoIncrement(columns)
if len(columns) == 0 {
write(" DEFAULT VALUES ")
} else {
// We have some values - Write the column names we need to insert:
write(" (")
if includeAutoIncrement {
columns = append(columns, table.AutoIncrement)
}
if err := statement.dialect.Quoter().JoinWrite(buf.Builder, append(columns, statement.ExprColumns.ColNames()...), ","); err != nil {
return "", nil, err
}
write(")")
if err := statement.genInsertValuesValues(buf, includeAutoIncrement, columns, args); err != nil {
return "", nil, err
}
}
if err := statement.writeInsertOutput(buf.Builder, table); err != nil {
return "", nil, err
}
write(";")
return buf.String(), buf.Args(), nil
}
@ -294,13 +321,22 @@ func (statement *Statement) genMergeMapSQL(doUpdate bool, columns []string, args
}
}
var updateColumns []string
var updateArgs []interface{}
if doUpdate {
updateColumns = make([]string, 0, len(columns))
for _, column := range append(columns, exprs.ColNames()...) {
for _, expr := range exprs {
if _, has := uniqueColValMap[schemas.CommonQuoter.Trim(expr.ColName)]; has {
continue
}
updateColumns = append(updateColumns, quote(expr.ColName))
updateArgs = append(updateArgs, expr.Arg)
}
for i, column := range columns {
if _, has := uniqueColValMap[schemas.CommonQuoter.Trim(column)]; has {
continue
}
updateColumns = append(updateColumns, quote(column))
updateArgs = append(updateArgs, args[i])
}
doUpdate = doUpdate && (len(updateColumns) > 0)
}
@ -317,20 +353,21 @@ func (statement *Statement) genMergeMapSQL(doUpdate bool, columns []string, args
}
countUniques++
write("(")
write("src.", quote(index.Cols[0]), "= target.", quote(index.Cols[0]))
write("src.", quote(index.Cols[0]), " = target.", quote(index.Cols[0]))
for _, col := range index.Cols[1:] {
write(" AND src.", quote(col), "= target.", quote(col))
write(" AND src.", quote(col), " = target.", quote(col))
}
write(")")
}
write(")")
if doUpdate {
write(" WHEN MATCHED THEN UPDATE SET ")
write("src.", quote(updateColumns[0]), "= target.", quote(updateColumns[0]))
for _, col := range updateColumns[1:] {
write(", src.", quote(col), "= target.", quote(col))
write("target.", quote(updateColumns[0]), " = ?")
buf.Append(updateArgs[0])
for i, col := range updateColumns[1:] {
write(", target.", quote(col), " = ?")
buf.Append(updateArgs[i+1])
}
}
write(" WHEN NOT MATCHED THEN INSERT ")
if err := statement.dialect.Quoter().JoinWrite(buf.Builder, append(columns, exprs.ColNames()...), ","); err != nil {
@ -341,6 +378,7 @@ func (statement *Statement) genMergeMapSQL(doUpdate bool, columns []string, args
if err := statement.genInsertValuesValues(buf, false, columns, args); err != nil {
return "", nil, err
}
write(";")
return buf.String(), buf.Args(), nil
}