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PgAlterTableAlterColumnSetDefaultConvertor Class — drizzle-orm Architecture

Architecture documentation for the PgAlterTableAlterColumnSetDefaultConvertor class in sqlgenerator.ts from the drizzle-orm codebase.

Class typescript DrizzleKit

Entity Profile

Dependency Diagram

graph TD
  d685d918_bbb9_7678_d4d2_cdcc47853e03["PgAlterTableAlterColumnSetDefaultConvertor"]
  fe4174c7_3b9c_5b26_98a0_b2395ca21939["sqlgenerator.ts"]
  d685d918_bbb9_7678_d4d2_cdcc47853e03 -->|defined in| fe4174c7_3b9c_5b26_98a0_b2395ca21939
  7e6614b0_fbd7_51c1_7629_5dfb602b5384["can()"]
  d685d918_bbb9_7678_d4d2_cdcc47853e03 -->|method| 7e6614b0_fbd7_51c1_7629_5dfb602b5384
  0143411a_4cc4_e876_aa0d_8204b7800742["convert()"]
  d685d918_bbb9_7678_d4d2_cdcc47853e03 -->|method| 0143411a_4cc4_e876_aa0d_8204b7800742

Relationship Graph

Source Code

drizzle-kit/src/sqlgenerator.ts lines 1966–1983

class PgAlterTableAlterColumnSetDefaultConvertor extends Convertor {
	can(statement: JsonStatement, dialect: Dialect): boolean {
		return (
			statement.type === 'alter_table_alter_column_set_default'
			&& dialect === 'postgresql'
		);
	}

	convert(statement: JsonAlterColumnSetDefaultStatement) {
		const { tableName, columnName, schema } = statement;

		const tableNameWithSchema = schema
			? `"${schema}"."${tableName}"`
			: `"${tableName}"`;

		return `ALTER TABLE ${tableNameWithSchema} ALTER COLUMN "${columnName}" SET DEFAULT ${statement.newDefaultValue};`;
	}
}

Domain

Defined In

Source

Frequently Asked Questions

What is the PgAlterTableAlterColumnSetDefaultConvertor class?
PgAlterTableAlterColumnSetDefaultConvertor is a class in the drizzle-orm codebase, defined in drizzle-kit/src/sqlgenerator.ts.
Where is PgAlterTableAlterColumnSetDefaultConvertor defined?
PgAlterTableAlterColumnSetDefaultConvertor is defined in drizzle-kit/src/sqlgenerator.ts at line 1966.

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