@rolandohuber/mysql-mcp-server/dist/tools/generateSchemaDiagram.js

A comprehensive MCP server for MySQL database operations with 16 tools, multi-transport support, and intelligent test data generation

export const generateSchemaDiagramSchema = {
    name: 'mysql_generateSchemaDiagram',
    description: 'Generates a JSON structure representing the database schema for diagramming',
    inputSchema: {
        type: 'object',
        properties: {},
        required: [],
    },
};
export async function generateSchemaDiagramHandler(mysqlService) {
    try {
        const tables = await mysqlService.listTables();
        const nodes = [];
        const edges = [];
        // Create nodes for each table
        for (const table of tables) {
            const schema = await mysqlService.describeTable(table);
            const relations = await mysqlService.getTableRelations(table);
            const columns = schema.map(column => ({
                name: column.column_name,
                type: column.data_type,
                isPrimaryKey: column.column_key === 'PRI',
                isForeignKey: relations.outgoing.some(rel => rel.column_name === column.column_name),
            }));
            nodes.push({
                id: table,
                name: table,
                columns,
            });
            // Create edges for foreign key relationships
            for (const relation of relations.outgoing) {
                edges.push({
                    from: table,
                    to: relation.referenced_table_name,
                    fromColumn: relation.column_name,
                    toColumn: relation.referenced_column_name,
                    label: relation.constraint_name,
                });
            }
        }
        return { nodes, edges };
    }
    catch (error) {
        throw new Error(`Failed to generate schema diagram: ${error}`);
    }
}
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