import { entityKind, is } from "../../entity.js";
import { QueryPromise } from "../../query-promise.js";
import { Param, SQL, sql } from "../../sql/sql.js";
import { Table } from "../../table.js";
import { mapUpdateSet, orderSelectedFields } from "../../utils.js";
class SingleStoreInsertBuilder {
  constructor(table, session, dialect) {
    this.table = table;
    this.session = session;
    this.dialect = dialect;
  }
  static [entityKind] = "SingleStoreInsertBuilder";
  shouldIgnore = false;
  ignore() {
    this.shouldIgnore = true;
    return this;
  }
  values(values) {
    values = Array.isArray(values) ? values : [values];
    if (values.length === 0) {
      throw new Error("values() must be called with at least one value");
    }
    const mappedValues = values.map((entry) => {
      const result = {};
      const cols = this.table[Table.Symbol.Columns];
      for (const colKey of Object.keys(entry)) {
        const colValue = entry[colKey];
        result[colKey] = is(colValue, SQL) ? colValue : new Param(colValue, cols[colKey]);
      }
      return result;
    });
    return new SingleStoreInsertBase(this.table, mappedValues, this.shouldIgnore, this.session, this.dialect);
  }
}
class SingleStoreInsertBase extends QueryPromise {
  constructor(table, values, ignore, session, dialect) {
    super();
    this.session = session;
    this.dialect = dialect;
    this.config = { table, values, ignore };
  }
  static [entityKind] = "SingleStoreInsert";
  config;
  /**
   * Adds an `on duplicate key update` clause to the query.
   *
   * Calling this method will update update the row if any unique index conflicts. MySQL will automatically determine the conflict target based on the primary key and unique indexes.
   *
   * See docs: {@link https://orm.drizzle.team/docs/insert#on-duplicate-key-update}
   *
   * @param config The `set` clause
   *
   * @example
   * ```ts
   * await db.insert(cars)
   *   .values({ id: 1, brand: 'BMW'})
   *   .onDuplicateKeyUpdate({ set: { brand: 'Porsche' }});
   * ```
   *
   * While MySQL does not directly support doing nothing on conflict, you can perform a no-op by setting any column's value to itself and achieve the same effect:
   *
   * ```ts
   * import { sql } from 'drizzle-orm';
   *
   * await db.insert(cars)
   *   .values({ id: 1, brand: 'BMW' })
   *   .onDuplicateKeyUpdate({ set: { id: sql`id` } });
   * ```
   */
  onDuplicateKeyUpdate(config) {
    const setSql = this.dialect.buildUpdateSet(this.config.table, mapUpdateSet(this.config.table, config.set));
    this.config.onConflict = sql`update ${setSql}`;
    return this;
  }
  $returningId() {
    const returning = [];
    for (const [key, value] of Object.entries(this.config.table[Table.Symbol.Columns])) {
      if (value.primary) {
        returning.push({ field: value, path: [key] });
      }
    }
    this.config.returning = orderSelectedFields(this.config.table[Table.Symbol.Columns]);
    return this;
  }
  /** @internal */
  getSQL() {
    return this.dialect.buildInsertQuery(this.config).sql;
  }
  toSQL() {
    const { typings: _typings, ...rest } = this.dialect.sqlToQuery(this.getSQL());
    return rest;
  }
  prepare() {
    const { sql: sql2, generatedIds } = this.dialect.buildInsertQuery(this.config);
    return this.session.prepareQuery(
      this.dialect.sqlToQuery(sql2),
      void 0,
      void 0,
      generatedIds,
      this.config.returning
    );
  }
  execute = (placeholderValues) => {
    return this.prepare().execute(placeholderValues);
  };
  createIterator = () => {
    const self = this;
    return async function* (placeholderValues) {
      yield* self.prepare().iterator(placeholderValues);
    };
  };
  iterator = this.createIterator();
  $dynamic() {
    return this;
  }
}
export {
  SingleStoreInsertBase,
  SingleStoreInsertBuilder
};
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