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modified db con for better connection handling mssql

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This commit is contained in:
Kallesh B S 2025-05-02 12:50:56 +05:30
parent 378b9adf4d
commit 03fc743eb4
9 changed files with 59 additions and 216 deletions
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27
src/db/db.service.ts
View File

@ -29,6 +29,8 @@ export class OracleDBService {
@Injectable()
export class MssqlDBService {
private pool: ConnectionPool;
private poolConnected: boolean = false;
private readonly config = {
...MssqlConfig,
pool: {
@ -39,22 +41,25 @@ export class MssqlDBService {
};
constructor() {
this.initializePool();
}
private initializePool() {
this.pool = new ConnectionPool(this.config);
}
async getConnection(): Promise<Connection> {
async getConnection(): Promise<ConnectionPool> {
try {
const connection = await this.pool.connect();
console.log('Database connection initialized successfully for Mssql.');
// console.log(`Connection established to server: ${this.config.server}`); // Log server info
return connection;
if (!this.poolConnected) {
this.pool.on('error', err => {
console.error('SQL Pool Error:', err);
this.poolConnected = false;
});
await this.pool.connect();
this.poolConnected = true;
console.log('Database connection pool initialized.');
}
return this.pool;
} catch (error) {
console.error('Error getting connection from pool', error.stack);
throw error; // Rethrow the error after logging
console.error('Failed to get connection from pool:', error);
throw error;
}
}
}

40
src/mssql/manage-clients/manage-clients.service.ts
View File

@ -114,10 +114,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -132,10 +128,6 @@ export class ManageClientsService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -193,10 +185,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -270,10 +258,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -329,10 +313,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -387,10 +367,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -463,10 +439,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -518,10 +490,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -571,10 +539,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -623,10 +587,6 @@ export class ManageClientsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};

36
src/mssql/manage-holders/manage-holders.service.ts
View File

@ -97,10 +97,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -118,10 +114,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -154,10 +146,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -186,10 +174,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -207,10 +191,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -230,10 +210,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -251,10 +227,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -272,10 +244,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
@ -293,10 +261,6 @@ export class ManageHoldersService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
};
}

4
src/mssql/mssql.service.ts
View File

@ -19,10 +19,6 @@ export class MssqlService {
} catch (error) {
console.error('Error checking connection:', error);
return {error:error.message}
} finally {
if (connection) {
connection.close();
}
}
}

24
src/mssql/param-table/param-table.service.ts
View File

@ -34,10 +34,6 @@ export class ParamTableService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -53,10 +49,6 @@ export class ParamTableService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -80,10 +72,6 @@ export class ParamTableService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -106,10 +94,6 @@ export class ParamTableService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -125,10 +109,6 @@ export class ParamTableService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -143,10 +123,6 @@ export class ParamTableService {
return { data: result.recordset };
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
}

8
src/mssql/uscib-managed-sp/carnet-sequence/carnet-sequence.service.ts
View File

@ -21,10 +21,6 @@ export class CarnetSequenceService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -44,10 +40,6 @@ export class CarnetSequenceService {
} catch (error) {
console.error('Error executing stored procedure:', error);
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
}

14
src/mssql/uscib-managed-sp/region/region.service.ts
View File

@ -18,11 +18,9 @@ export class RegionService {
return { data: result.recordset };
} catch (error) {
console.log("Error is here ...");
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -39,10 +37,6 @@ export class RegionService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -58,10 +52,6 @@ export class RegionService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
}

24
src/mssql/uscib-managed-sp/sp-contacts/sp-contacts.service.ts
View File

@ -21,10 +21,6 @@ export class SpContactsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -40,10 +36,6 @@ export class SpContactsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -59,10 +51,6 @@ export class SpContactsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -87,10 +75,6 @@ export class SpContactsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -105,10 +89,6 @@ export class SpContactsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -132,10 +112,6 @@ export class SpContactsService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
}

16
src/mssql/uscib-managed-sp/sp/sp.service.ts
View File

@ -20,10 +20,6 @@ export class SpService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -39,10 +35,6 @@ export class SpService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -72,10 +64,6 @@ export class SpService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
@ -106,10 +94,6 @@ export class SpService {
} catch (error) {
return { error: error.message };
} finally {
if (connection) {
connection.close();
}
}
}
}