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add primary_key, foreign_key, unique, index strategy #29

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add primary_key, foreign_key, unique, index strategy #29

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e041ba7
add primary_key, foreign_key, unique, index strategy
MrOplus May 1, 2022
cba5b69
add eager join alias
MrOplus May 1, 2022
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26 changes: 26 additions & 0 deletions src/snake-naming.strategy.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@

import { DefaultNamingStrategy, NamingStrategyInterface } from 'typeorm';
import { snakeCase } from 'typeorm/util/StringUtils';
import {Table} from "typeorm/schema-builder/table/Table";

export class SnakeNamingStrategy
extends DefaultNamingStrategy
Expand Down Expand Up @@ -62,6 +63,31 @@ export class SnakeNamingStrategy
return snakeCase(parentTableName + '_' + parentTableIdPropertyName);
}

foreignKeyName(tableOrName: Table | string, columnNames: string[], _referencedTablePath?: string, _referencedColumnNames?: string[]): string {
const name = _referencedTablePath + '_' + columnNames.join('_');
return`fk_${name}`
}

indexName(tableOrName: Table | string, columnNames: string[], where?: string): string {
const name = tableOrName instanceof Table ? tableOrName.name : tableOrName;
return`index_${name}_${columnNames.join('_')}`
}

primaryKeyName(tableOrName: Table | string, columnNames: string[]): string {
const name = tableOrName instanceof Table ? tableOrName.name : tableOrName;
return `pk_${name}_${columnNames.join('_')}`;
}

uniqueConstraintName(tableOrName: Table | string, columnNames: string[]): string {
const name = tableOrName instanceof Table ? tableOrName.name : tableOrName;
return `unique_${name}_${columnNames.join('_')}`;
}

relationConstraintName(tableOrName: Table | string, columnNames: string[], where?: string): string {
const name = tableOrName instanceof Table ? tableOrName.name : tableOrName;
return `rel_${name}_${columnNames.join('_')}`;
}

eagerJoinRelationAlias(alias: string, propertyPath: string): string {
return alias + '__' + propertyPath.replace('.', '_');
}
Expand Down