diff options
Diffstat (limited to 'src/models/psql_upsert.go')
| -rw-r--r-- | src/models/psql_upsert.go | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/models/psql_upsert.go b/src/models/psql_upsert.go new file mode 100644 index 0000000..d71b7d6 --- /dev/null +++ b/src/models/psql_upsert.go @@ -0,0 +1,99 @@ +// Code generated by SQLBoiler 4.16.1 (https://github.com/volatiletech/sqlboiler). DO NOT EDIT. +// This file is meant to be re-generated in place and/or deleted at any time. + +package models + +import ( + "fmt" + "strings" + + "github.com/volatiletech/sqlboiler/v4/drivers" + "github.com/volatiletech/strmangle" +) + +type UpsertOptions struct { + conflictTarget string + updateSet string +} + +type UpsertOptionFunc func(o *UpsertOptions) + +func UpsertConflictTarget(conflictTarget string) UpsertOptionFunc { + return func(o *UpsertOptions) { + o.conflictTarget = conflictTarget + } +} + +func UpsertUpdateSet(updateSet string) UpsertOptionFunc { + return func(o *UpsertOptions) { + o.updateSet = updateSet + } +} + +// buildUpsertQueryPostgres builds a SQL statement string using the upsertData provided. +func buildUpsertQueryPostgres(dia drivers.Dialect, tableName string, updateOnConflict bool, ret, update, conflict, whitelist []string, opts ...UpsertOptionFunc) string { + conflict = strmangle.IdentQuoteSlice(dia.LQ, dia.RQ, conflict) + whitelist = strmangle.IdentQuoteSlice(dia.LQ, dia.RQ, whitelist) + ret = strmangle.IdentQuoteSlice(dia.LQ, dia.RQ, ret) + + upsertOpts := &UpsertOptions{} + for _, o := range opts { + o(upsertOpts) + } + + buf := strmangle.GetBuffer() + defer strmangle.PutBuffer(buf) + + columns := "DEFAULT VALUES" + if len(whitelist) != 0 { + columns = fmt.Sprintf("(%s) VALUES (%s)", + strings.Join(whitelist, ", "), + strmangle.Placeholders(dia.UseIndexPlaceholders, len(whitelist), 1, 1)) + } + + fmt.Fprintf( + buf, + "INSERT INTO %s %s ON CONFLICT ", + tableName, + columns, + ) + + if upsertOpts.conflictTarget != "" { + buf.WriteString(upsertOpts.conflictTarget) + } else if len(conflict) != 0 { + buf.WriteByte('(') + buf.WriteString(strings.Join(conflict, ", ")) + buf.WriteByte(')') + } + buf.WriteByte(' ') + + if !updateOnConflict || len(update) == 0 { + buf.WriteString("DO NOTHING") + } else { + buf.WriteString("DO UPDATE SET ") + + if upsertOpts.updateSet != "" { + buf.WriteString(upsertOpts.updateSet) + } else { + for i, v := range update { + if len(v) == 0 { + continue + } + if i != 0 { + buf.WriteByte(',') + } + quoted := strmangle.IdentQuote(dia.LQ, dia.RQ, v) + buf.WriteString(quoted) + buf.WriteString(" = EXCLUDED.") + buf.WriteString(quoted) + } + } + } + + if len(ret) != 0 { + buf.WriteString(" RETURNING ") + buf.WriteString(strings.Join(ret, ", ")) + } + + return buf.String() +} |
