nestjs-reverse-engineering/dist/reverse-engineering/builders/sql-generator.d.ts

A powerful TypeScript/NestJS library for database reverse engineering, entity generation, and CRUD operations

import { DatabaseDialect, TableSchema } from '../types/database.types';
export interface SqlGenerationOptions {
    dialect: DatabaseDialect;
    schemaName?: string;
    includeDropIfExists: boolean;
    includeCreateIfNotExists: boolean;
    includeComments: boolean;
    engineType?: string;
    charset?: string;
    collation?: string;
    tablespace?: string;
    fillfactor?: number;
    withOids?: boolean;
    outputPath?: string;
}
export interface SqlScriptResult {
    sql: string;
    tableCount: number;
    dialect: DatabaseDialect;
    options: SqlGenerationOptions;
}
export declare class SqlGenerator {
    private readonly typeMapper;
    private readonly namingUtils;
    private readonly options;
    constructor(options?: Partial<SqlGenerationOptions>);
    /**
     * Generate CREATE TABLE scripts from table schemas
     */
    generateCreateTableScripts(tables: TableSchema[]): SqlScriptResult;
    /**
     * Generate CREATE TABLE script for a single table
     */
    private generateSingleTableScript;
    /**
     * Generate column definition
     */
    private generateColumnDefinition;
    /**
     * Get column data type with proper dialect mapping
     */
    private getColumnDataType;
    /**
     * Format default value based on data type
     */
    private formatDefaultValue;
    /**
     * Generate foreign key constraints
     */
    private generateForeignKeyConstraints;
    /**
     * Add dialect-specific setup commands
     */
    private addDialectSpecificSetup;
    /**
     * Add table-specific options
     */
    private addTableOptions;
    /**
     * Add column comments
     */
    private addColumnComments;
    /**
     * Add indexes
     */
    private addIndexes;
    /**
     * Get full table name with schema prefix
     */
    private getFullTableName;
    /**
     * Escape SQL identifiers
     */
    private escapeIdentifier;
    /**
     * Save SQL script to file
     */
    saveSqlScript(result: SqlScriptResult, filename?: string): Promise<string>;
    /**
     * Generate SQL from entity files in directory
     */
    generateFromEntityDirectory(entitiesPath: string): Promise<SqlScriptResult>;
}
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