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MySqlSchemaHelper

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Constructors

Properties

Accessors

Methods

Constructors

constructor

Properties

staticreadonlyDEFAULT_VALUES

DEFAULT_VALUES: { 0: string[]; current_timestamp(?): string[]; now(): string[] } = ...

Type declaration

  • 0: string[]
  • current_timestamp(?): string[]
  • now(): string[]

Accessors

inheritedoptions

  • get options(): { createForeignKeyConstraints?: boolean; disableForeignKeys?: boolean; ignoreSchema?: string[]; managementDbName?: string; skipColumns?: Dictionary<(string | RegExp)[]>; skipTables?: (string | RegExp)[] }

  • Returns { createForeignKeyConstraints?: boolean; disableForeignKeys?: boolean; ignoreSchema?: string[]; managementDbName?: string; skipColumns?: Dictionary<(string | RegExp)[]>; skipTables?: (string | RegExp)[] }

    • optionalcreateForeignKeyConstraints?: boolean

      Generate foreign key constraints.

    • optionaldisableForeignKeys?: boolean

      Try to disable foreign key checks during schema operations.

    • optionalignoreSchema?: string[]

      Schema names to ignore when comparing schemas.

    • optionalmanagementDbName?: string

      Database name to use for management operations (e.g., creating/dropping databases).

    • optionalskipColumns?: Dictionary<(string | RegExp)[]>

      Column names or patterns to skip during schema generation, keyed by table name.

    • optionalskipTables?: (string | RegExp)[]

      Table names or patterns to skip during schema generation.

Methods

inheritedalterTable

  • alterTable(diff, safe): string[]

  • Parameters

    Returns string[]

alterTableColumn

  • alterTableColumn(column, table, changedProperties): string[]

  • Parameters

    • column: Column
    • table: DatabaseTable
    • changedProperties: Set<string>

    Returns string[]

inheritedalterTableComment

  • alterTableComment(table, comment): string

  • Parameters

    • table: DatabaseTable
    • optionalcomment: string

    Returns string

inheritedappend

  • append(array, sql, pad): void

  • Parameters

    • array: string[]
    • sql: string | string[]
    • pad: boolean = false

    Returns void

inheritedappendComments

  • appendComments(table): string[]

  • Parameters

    • table: DatabaseTable

    Returns string[]

inheritedcastColumn

  • castColumn(name, type): string

  • Parameters

    • name: string
    • type: string

    Returns string

inheritedcreateCheck

  • createCheck(table, check): string

  • Parameters

    • table: DatabaseTable
    • check: CheckDef<unknown>

    Returns string

inheritedcreateForeignKey

  • createForeignKey(table, foreignKey, alterTable, inline): string

  • Parameters

    • table: DatabaseTable
    • foreignKey: ForeignKey
    • alterTable: boolean = true
    • inline: boolean = false

    Returns string

inheritedcreateIndex

  • createIndex(index, table, createPrimary): string

  • Parameters

    • index: IndexDef
    • table: DatabaseTable
    • createPrimary: boolean = false

    Returns string

inheritedcreateTable

  • createTable(table, alter): string[]

  • Parameters

    • table: DatabaseTable
    • optionalalter: boolean

    Returns string[]

inheritedcreateTableColumn

  • createTableColumn(column, table, changedProperties): undefined | string

  • Parameters

    • column: Column
    • table: DatabaseTable
    • optionalchangedProperties: Set<string>

    Returns undefined | string

inheriteddatabaseExists

  • databaseExists(connection, name): Promise<boolean>

  • Parameters

    Returns Promise<boolean>

disableForeignKeysSQL

  • disableForeignKeysSQL(): string

  • Returns string

inheriteddropConstraint

  • dropConstraint(table, name): string

  • Parameters

    • table: string
    • name: string

    Returns string

inheriteddropForeignKey

  • dropForeignKey(tableName, constraintName): string

  • Parameters

    • tableName: string
    • constraintName: string

    Returns string

inheriteddropIndex

  • dropIndex(table, index, oldIndexName): string

  • Parameters

    • table: string
    • index: IndexDef
    • oldIndexName: string = index.keyName

    Returns string

inheriteddropTableIfExists

  • dropTableIfExists(name, schema): string

  • Parameters

    • name: string
    • optionalschema: string

    Returns string

enableForeignKeysSQL

  • enableForeignKeysSQL(): string

  • Returns string

finalizeTable

  • finalizeTable(table, charset, collate): string

  • Parameters

    • table: DatabaseTable
    • charset: string
    • optionalcollate: string

    Returns string

inheritedgetAddColumnsSQL

  • getAddColumnsSQL(table, columns): string[]

  • Parameters

    • table: DatabaseTable
    • columns: Column[]

    Returns string[]

getAllChecks

getAllColumns

getAllEnumDefinitions

getAllForeignKeys

getAllIndexes

inheritedgetAlterNativeEnumSQL

  • getAlterNativeEnumSQL(name, schema, value, items, oldItems): string

  • Parameters

    • name: string
    • optionalschema: string
    • optionalvalue: string
    • optionalitems: string[]
    • optionaloldItems: string[]

    Returns string

getChangeColumnCommentSQL

  • getChangeColumnCommentSQL(tableName, to, schemaName): string

  • Parameters

    • tableName: string
    • to: Column
    • optionalschemaName: string

    Returns string

inheritedgetCreateDatabaseSQL

  • getCreateDatabaseSQL(name): string

  • Parameters

    • name: string

    Returns string

getCreateIndexSQL

  • getCreateIndexSQL(tableName, index, partialExpression): string

  • Parameters

    • tableName: string
    • index: IndexDef
    • partialExpression: boolean = false

    Returns string

inheritedgetCreateNamespaceSQL

  • getCreateNamespaceSQL(name): string

  • Parameters

    • name: string

    Returns string

inheritedgetCreateNativeEnumSQL

  • getCreateNativeEnumSQL(name, values, schema): string

  • Parameters

    • name: string
    • values: unknown[]
    • optionalschema: string

    Returns string

inheritedgetDatabaseExistsSQL

  • getDatabaseExistsSQL(name): string

  • Parameters

    • name: string

    Returns string

inheritedgetDatabaseNotExistsError

  • getDatabaseNotExistsError(dbName): string

  • Parameters

    • dbName: string

    Returns string

inheritedgetDefaultEmptyString

  • getDefaultEmptyString(): string

  • Returns string

inheritedgetDropColumnsSQL

  • getDropColumnsSQL(tableName, columns, schemaName): string

  • Parameters

    • tableName: string
    • columns: Column[]
    • optionalschemaName: string

    Returns string

inheritedgetDropDatabaseSQL

  • getDropDatabaseSQL(name): string

  • Parameters

    • name: string

    Returns string

inheritedgetDropIndexSQL

  • getDropIndexSQL(tableName, index): string

  • Parameters

    Returns string

inheritedgetDropNamespaceSQL

  • getDropNamespaceSQL(name): string

  • Parameters

    • name: string

    Returns string

inheritedgetDropNativeEnumSQL

  • getDropNativeEnumSQL(name, schema): string

  • Parameters

    • name: string
    • optionalschema: string

    Returns string

getListTablesSQL

  • getListTablesSQL(): string

  • Returns string

inheritedgetManagementDbName

  • getManagementDbName(): string

  • Returns string

inheritedgetNamespaces

  • getNamespaces(connection): Promise<string[]>

  • Parameters

    Returns Promise<string[]>

inheritedgetPostAlterTable

  • getPostAlterTable(tableDiff, safe): string[]

  • Parameters

    Returns string[]

getPreAlterTable

  • getPreAlterTable(tableDiff, safe): string[]

  • Parameters

    Returns string[]

inheritedgetPrimaryKeys

  • getPrimaryKeys(connection, indexes, tableName, schemaName): Promise<string[]>

  • Parameters

    Returns Promise<string[]>

inheritedgetReferencedTableName

  • getReferencedTableName(referencedTableName, schema): string

  • Parameters

    • referencedTableName: string
    • optionalschema: string

    Returns string

getRenameColumnSQL

  • getRenameColumnSQL(tableName, oldColumnName, to): string

  • Parameters

    • tableName: string
    • oldColumnName: string
    • to: Column

    Returns string

getRenameIndexSQL

  • getRenameIndexSQL(tableName, index, oldIndexName): string[]

  • Parameters

    • tableName: string
    • index: IndexDef
    • oldIndexName: string

    Returns string[]

getSchemaBeginning

  • getSchemaBeginning(charset, disableForeignKeys): string

  • Parameters

    • charset: string
    • optionaldisableForeignKeys: boolean

    Returns string

inheritedgetSchemaEnd

  • getSchemaEnd(disableForeignKeys): string

  • Parameters

    • optionaldisableForeignKeys: boolean

    Returns string

inheritedgetTablesGroupedBySchemas

  • getTablesGroupedBySchemas(tables): Map<undefined | string, Table[]>

  • Parameters

    Returns Map<undefined | string, Table[]>

inheritedhasNonDefaultPrimaryKeyName

  • hasNonDefaultPrimaryKeyName(table): boolean

  • Parameters

    • table: DatabaseTable

    Returns boolean

inheritedinferLengthFromColumnType

  • inferLengthFromColumnType(type): undefined | number

  • Parameters

    • type: string

    Returns undefined | number

loadInformationSchema

  • loadInformationSchema(schema, connection, tables): Promise<void>

  • Parameters

    Returns Promise<void>

inheritedmapForeignKeys

  • mapForeignKeys(fks, tableName, schemaName): Dictionary

  • Parameters

    • fks: any[]
    • tableName: string
    • optionalschemaName: string

    Returns Dictionary

normalizeDefaultValue

  • normalizeDefaultValue(defaultValue, length): string | number

  • Parameters

    • defaultValue: string
    • length: number

    Returns string | number

inheritedsplitTableName

  • splitTableName(name, skipDefaultSchema): [undefined | string, string]

  • Parameters

    • name: string
    • skipDefaultSchema: boolean = false

    Returns [undefined | string, string]

inheritedsupportsSchemaConstraints

  • supportsSchemaConstraints(): boolean

  • Returns boolean

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