import { ColumnType } from "../../driver/types/ColumnTypes";
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import { ValueTransformer } from "./ValueTransformer";
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import { ColumnCommonOptions } from "./ColumnCommonOptions";
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/**
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* Describes all column's options.
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*/
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export interface ColumnOptions extends ColumnCommonOptions {
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/**
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* Column type. Must be one of the value from the ColumnTypes class.
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*/
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type?: ColumnType;
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/**
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* Column name in the database.
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*/
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name?: string;
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/**
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* Column type's length. Used only on some column types.
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* For example type = "string" and length = "100" means that ORM will create a column with type varchar(100).
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*/
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length?: string | number;
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/**
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* Column type's display width. Used only on some column types in MySQL.
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* For example, INT(4) specifies an INT with a display width of four digits.
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*/
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width?: number;
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/**
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* Indicates if column's value can be set to NULL.
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*/
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nullable?: boolean;
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/**
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* Indicates if column value is not updated by "save" operation.
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* It means you'll be able to write this value only when you first time insert the object.
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* Default value is "false".
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*/
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readonly?: boolean;
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/**
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* Indicates if column is always selected by QueryBuilder and find operations.
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* Default value is "true".
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*/
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select?: boolean;
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/**
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* Default database value.
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*/
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default?: any;
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/**
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* ON UPDATE trigger. Works only for MySQL.
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*/
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onUpdate?: string;
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/**
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* Indicates if this column is a primary key.
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* Same can be achieved when @PrimaryColumn decorator is used.
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*/
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primary?: boolean;
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/**
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* Specifies if column's value must be unique or not.
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*/
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unique?: boolean;
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/**
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* Column comment. Not supported by all database types.
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*/
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comment?: string;
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/**
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* The precision for a decimal (exact numeric) column (applies only for decimal column), which is the maximum
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* number of digits that are stored for the values.
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*/
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precision?: number | null;
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/**
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* The scale for a decimal (exact numeric) column (applies only for decimal column), which represents the number
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* of digits to the right of the decimal point and must not be greater than precision.
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*/
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scale?: number;
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/**
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* Puts ZEROFILL attribute on to numeric column. Works only for MySQL.
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* If you specify ZEROFILL for a numeric column, MySQL automatically adds the UNSIGNED attribute to this column
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*/
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zerofill?: boolean;
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/**
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* Puts UNSIGNED attribute on to numeric column. Works only for MySQL.
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*/
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unsigned?: boolean;
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/**
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* Defines a column character set.
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* Not supported by all database types.
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*/
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charset?: string;
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/**
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* Defines a column collation.
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*/
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collation?: string;
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/**
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* Array of possible enumerated values.
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*/
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enum?: (string | number)[] | Object;
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/**
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* Generated column expression. Supports only in MySQL.
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*/
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asExpression?: string;
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/**
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* Generated column type. Supports only in MySQL.
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*/
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generatedType?: "VIRTUAL" | "STORED";
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/**
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* Return type of HSTORE column.
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* Returns value as string or as object.
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*/
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hstoreType?: "object" | "string";
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/**
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* Indicates if this column is an array.
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* Can be simply set to true or array length can be specified.
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* Supported only by postgres.
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*/
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array?: boolean;
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/**
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* Specifies a value transformer that is to be used to (un)marshal
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* this column when reading or writing to the database.
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*/
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transformer?: ValueTransformer | ValueTransformer[];
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/**
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* Spatial Feature Type (Geometry, Point, Polygon, etc.)
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*/
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spatialFeatureType?: string;
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/**
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* SRID (Spatial Reference ID (EPSG code))
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*/
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srid?: number;
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}
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