Add preliminary implementation for duckdb

Include SQL statements for duckdb statements.

packages/data-sources/duckdb/src/index.ts

@@ -51,7 +51,7 @@ export class DuckDbDataSource<
         return [columnName, columnDef.type].join(' ');
       })
       .join(',');
-    const sql = `${clause} (${idAttr} ${idSchema.type}, ${tableSchema});`;
+    const sql = `${clause} (${idAttr} ${idSchema.type},${tableSchema});`;
     const con = await this.db.connect();
     const stmt = await con.prepare(sql);
     await stmt.run();
@@ -146,8 +146,8 @@ export class DuckDbDataSource<
 
     const con = await this.db.connect();
     const stmt = await con.prepare(`
-      SELECT * FROM ? WHERE ? = ?;
-    `, this.resource.state.routeName, idAttr, id);
+      SELECT * FROM ${this.resource.state.routeName} WHERE ${idAttr} = ${JSON.stringify(id).replace(/"/g, "'")};
+    `);
     const data = await stmt.all();
     return data as Data;
   }
@@ -158,8 +158,8 @@ export class DuckDbDataSource<
 
     const con = await this.db.connect();
     const stmt = await con.prepare(`
-      SELECT * FROM ? LIMIT 1;
-    `, this.resource.state.routeName);
+      SELECT * FROM ${this.resource.state.routeName} LIMIT 1;
+    `);
     const [data] = await stmt.all();
     return data as Data;
   }
@@ -173,8 +173,8 @@ export class DuckDbDataSource<
 
     const con = await this.db.connect();
     const stmt = await con.prepare(`
-      DELETE FROM ? WHERE ? = ?;
-    `, this.resource.state.routeName, idAttr, id);
+      DELETE FROM ${this.resource.state.routeName} WHERE ${idAttr} = ${JSON.stringify(id).replace(/"/g, "'")};
+    `);
     await stmt.run();
   }
 
@@ -185,10 +185,12 @@ export class DuckDbDataSource<
     const idAttr = this.resource.state.shared.get('idAttr');
     assert(typeof idAttr === 'string');
 
+    const clause = `INSERT OR REPLACE INTO ${this.resource.state.routeName}`;
+    const keys = Object.keys(data).join(',');
+    const values = Object.values(data).map((d) => JSON.stringify(d).replace(/"/g, "'")).join(',');
+    const sql = `${clause} (${idAttr},${keys}) VALUES (${id},${values});`;
     const con = await this.db.connect();
-    const stmt = await con.prepare(`
-      INSERT OR REPLACE INTO ? (?, ...?) VALUES (...?);
-    `, this.resource.state.routeName, id, Object.keys(data), Object.values(data));
+    const stmt = await con.prepare(sql);
     const [newData] = await stmt.all();
     // TODO check if created flag
     return [newData, false] as [Data, boolean];
@@ -201,14 +203,13 @@ export class DuckDbDataSource<
     const idAttr = this.resource.state.shared.get('idAttr');
     assert(typeof idAttr === 'string');
 
+    const clause = `UPDATE ${this.resource.state.routeName}`;
+    const setParams = Object.entries(data).map(([key, value]) => (
+      `${key} = ${JSON.stringify(value).replace(/"/g, "'")}`
+    )).join(',');
+    const sql = `${clause} SET ${setParams} WHERE ${idAttr} = ${JSON.stringify(id).replace(/"/g, "'")}`
     const con = await this.db.connect();
-    const stmt = await con.prepare(`
-      UPDATE ? SET ? = ? WHERE ? = ?;
-    `,
-      this.resource.state.routeName,
-      Object.keys(data), Object.values(data),
-      idAttr, id
-    );
+    const stmt = await con.prepare(sql);
     const [newData] = await stmt.all();
     return newData as Data;
   }