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Pg to bun (#148)
* start moving to bun * changing more stuff * more * and yet more * tests passing * seems stable now * more big changes * small fix * little fixes
This commit is contained in:
tobi
GitHub
parent
071eca20ce
commit
2dc9fc1626
713 changed files with 98694 additions and 22704 deletions
275
vendor/github.com/uptrace/bun/query_table_create.go
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vendored
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275
vendor/github.com/uptrace/bun/query_table_create.go
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@ -0,0 +1,275 @@
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package bun
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import (
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"context"
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"database/sql"
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"sort"
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"strconv"
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"github.com/uptrace/bun/dialect/feature"
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"github.com/uptrace/bun/dialect/sqltype"
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"github.com/uptrace/bun/internal"
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"github.com/uptrace/bun/schema"
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)
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type CreateTableQuery struct {
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baseQuery
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temp bool
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ifNotExists bool
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varchar int
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fks []schema.QueryWithArgs
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partitionBy schema.QueryWithArgs
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tablespace schema.QueryWithArgs
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}
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func NewCreateTableQuery(db *DB) *CreateTableQuery {
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q := &CreateTableQuery{
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baseQuery: baseQuery{
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db: db,
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conn: db.DB,
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},
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}
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return q
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}
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func (q *CreateTableQuery) Conn(db IConn) *CreateTableQuery {
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q.setConn(db)
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return q
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}
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func (q *CreateTableQuery) Model(model interface{}) *CreateTableQuery {
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q.setTableModel(model)
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return q
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}
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//------------------------------------------------------------------------------
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func (q *CreateTableQuery) Table(tables ...string) *CreateTableQuery {
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for _, table := range tables {
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q.addTable(schema.UnsafeIdent(table))
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}
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return q
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}
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func (q *CreateTableQuery) TableExpr(query string, args ...interface{}) *CreateTableQuery {
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q.addTable(schema.SafeQuery(query, args))
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return q
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}
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func (q *CreateTableQuery) ModelTableExpr(query string, args ...interface{}) *CreateTableQuery {
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q.modelTable = schema.SafeQuery(query, args)
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return q
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}
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//------------------------------------------------------------------------------
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func (q *CreateTableQuery) Temp() *CreateTableQuery {
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q.temp = true
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return q
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}
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func (q *CreateTableQuery) IfNotExists() *CreateTableQuery {
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q.ifNotExists = true
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return q
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}
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func (q *CreateTableQuery) Varchar(n int) *CreateTableQuery {
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q.varchar = n
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return q
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}
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func (q *CreateTableQuery) ForeignKey(query string, args ...interface{}) *CreateTableQuery {
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q.fks = append(q.fks, schema.SafeQuery(query, args))
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return q
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}
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func (q *CreateTableQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, err error) {
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if q.err != nil {
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return nil, q.err
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}
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if q.table == nil {
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return nil, errNilModel
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}
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b = append(b, "CREATE "...)
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if q.temp {
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b = append(b, "TEMP "...)
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}
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b = append(b, "TABLE "...)
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if q.ifNotExists {
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b = append(b, "IF NOT EXISTS "...)
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}
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b, err = q.appendFirstTable(fmter, b)
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if err != nil {
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return nil, err
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}
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b = append(b, " ("...)
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for i, field := range q.table.Fields {
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if i > 0 {
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b = append(b, ", "...)
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}
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b = append(b, field.SQLName...)
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b = append(b, " "...)
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b = q.appendSQLType(b, field)
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if field.NotNull {
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b = append(b, " NOT NULL"...)
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}
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if q.db.features.Has(feature.AutoIncrement) && field.AutoIncrement {
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b = append(b, " AUTO_INCREMENT"...)
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}
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if field.SQLDefault != "" {
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b = append(b, " DEFAULT "...)
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b = append(b, field.SQLDefault...)
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}
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}
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b = q.appendPKConstraint(b, q.table.PKs)
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b = q.appendUniqueConstraints(fmter, b)
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b, err = q.appenFKConstraints(fmter, b)
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if err != nil {
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return nil, err
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}
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b = append(b, ")"...)
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if !q.partitionBy.IsZero() {
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b = append(b, " PARTITION BY "...)
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b, err = q.partitionBy.AppendQuery(fmter, b)
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if err != nil {
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return nil, err
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}
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}
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if !q.tablespace.IsZero() {
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b = append(b, " TABLESPACE "...)
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b, err = q.tablespace.AppendQuery(fmter, b)
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if err != nil {
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return nil, err
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}
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}
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return b, nil
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}
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func (q *CreateTableQuery) appendSQLType(b []byte, field *schema.Field) []byte {
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if field.CreateTableSQLType != field.DiscoveredSQLType {
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return append(b, field.CreateTableSQLType...)
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}
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if q.varchar > 0 &&
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field.CreateTableSQLType == sqltype.VarChar {
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b = append(b, "varchar("...)
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b = strconv.AppendInt(b, int64(q.varchar), 10)
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b = append(b, ")"...)
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return b
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}
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return append(b, field.CreateTableSQLType...)
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}
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func (q *CreateTableQuery) appendUniqueConstraints(fmter schema.Formatter, b []byte) []byte {
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unique := q.table.Unique
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keys := make([]string, 0, len(unique))
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for key := range unique {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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for _, key := range keys {
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b = q.appendUniqueConstraint(fmter, b, key, unique[key])
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}
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return b
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}
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func (q *CreateTableQuery) appendUniqueConstraint(
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fmter schema.Formatter, b []byte, name string, fields []*schema.Field,
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) []byte {
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if name != "" {
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b = append(b, ", CONSTRAINT "...)
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b = fmter.AppendIdent(b, name)
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} else {
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b = append(b, ","...)
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}
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b = append(b, " UNIQUE ("...)
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b = appendColumns(b, "", fields)
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b = append(b, ")"...)
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return b
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}
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func (q *CreateTableQuery) appenFKConstraints(
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fmter schema.Formatter, b []byte,
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) (_ []byte, err error) {
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for _, fk := range q.fks {
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b = append(b, ", FOREIGN KEY "...)
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b, err = fk.AppendQuery(fmter, b)
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if err != nil {
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return nil, err
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}
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}
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return b, nil
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}
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func (q *CreateTableQuery) appendPKConstraint(b []byte, pks []*schema.Field) []byte {
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if len(pks) == 0 {
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return b
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}
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b = append(b, ", PRIMARY KEY ("...)
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b = appendColumns(b, "", pks)
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b = append(b, ")"...)
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return b
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}
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//------------------------------------------------------------------------------
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func (q *CreateTableQuery) Exec(ctx context.Context, dest ...interface{}) (sql.Result, error) {
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if err := q.beforeCreateTableHook(ctx); err != nil {
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return nil, err
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}
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queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
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if err != nil {
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return nil, err
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}
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query := internal.String(queryBytes)
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res, err := q.exec(ctx, q, query)
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if err != nil {
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return nil, err
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}
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if q.table != nil {
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if err := q.afterCreateTableHook(ctx); err != nil {
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return nil, err
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}
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}
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return res, nil
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}
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func (q *CreateTableQuery) beforeCreateTableHook(ctx context.Context) error {
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if hook, ok := q.table.ZeroIface.(BeforeCreateTableHook); ok {
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if err := hook.BeforeCreateTable(ctx, q); err != nil {
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return err
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}
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}
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return nil
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}
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func (q *CreateTableQuery) afterCreateTableHook(ctx context.Context) error {
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if hook, ok := q.table.ZeroIface.(AfterCreateTableHook); ok {
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if err := hook.AfterCreateTable(ctx, q); err != nil {
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return err
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}
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}
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return nil
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}
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