Transcript of a LangGraph ReAct agent invocation, creating a SQL query on the Drive Stats data set to find the number of drives per data center on a given date.

gistfile1.txt

================================ Human Message =================================

Each drive has its own serial number. How many drives did each data center have on 9/1/2024?
================================== Ai Message ==================================
Tool Calls:
  sql_db_list_tables (call_e8gfZp1frECuMjDEjXt13wj4)
 Call ID: call_e8gfZp1frECuMjDEjXt13wj4
  Args:
================================= Tool Message =================================
Name: sql_db_list_tables

drivestats
================================== Ai Message ==================================
Tool Calls:
  sql_db_schema (call_YineIS2WhIvUcK4ZgdZQ4j2E)
 Call ID: call_YineIS2WhIvUcK4ZgdZQ4j2E
  Args:
    table_names: drivestats
================================= Tool Message =================================
Name: sql_db_schema


CREATE TABLE drivestats (
	date DATE, 
	serial_number VARCHAR, 
	model VARCHAR, 
	capacity_bytes BIGINT, 
	failure INTEGER, 
	smart_1_raw BIGINT, 
	smart_5_raw BIGINT, 
	smart_9_raw BIGINT, 
	smart_194_raw BIGINT, 
	smart_197_raw BIGINT, 
	smart_1_normalized BIGINT, 
	smart_2_normalized BIGINT, 
	smart_2_raw BIGINT, 
	smart_3_normalized BIGINT, 
	smart_3_raw BIGINT, 
	smart_4_normalized BIGINT, 
	smart_4_raw BIGINT, 
	smart_5_normalized BIGINT, 
	smart_7_normalized BIGINT, 
	smart_7_raw BIGINT, 
	smart_8_normalized BIGINT, 
	smart_8_raw BIGINT, 
	smart_9_normalized BIGINT, 
	smart_10_normalized BIGINT, 
	smart_10_raw BIGINT, 
	smart_12_normalized BIGINT, 
	smart_12_raw BIGINT, 
	smart_184_normalized BIGINT, 
	smart_184_raw BIGINT, 
	smart_187_normalized BIGINT, 
	smart_187_raw BIGINT, 
	smart_188_normalized BIGINT, 
	smart_188_raw BIGINT, 
	smart_189_normalized BIGINT, 
	smart_189_raw BIGINT, 
	smart_190_normalized BIGINT, 
	smart_190_raw BIGINT, 
	smart_191_normalized BIGINT, 
	smart_191_raw BIGINT, 
	smart_192_normalized BIGINT, 
	smart_192_raw BIGINT, 
	smart_193_normalized BIGINT, 
	smart_193_raw BIGINT, 
	smart_194_normalized BIGINT, 
	smart_195_normalized BIGINT, 
	smart_195_raw BIGINT, 
	smart_196_normalized BIGINT, 
	smart_196_raw BIGINT, 
	smart_197_normalized BIGINT, 
	smart_198_normalized BIGINT, 
	smart_198_raw BIGINT, 
	smart_199_normalized BIGINT, 
	smart_199_raw BIGINT, 
	smart_240_normalized BIGINT, 
	smart_240_raw BIGINT, 
	smart_241_normalized BIGINT, 
	smart_241_raw BIGINT, 
	smart_242_normalized BIGINT, 
	smart_242_raw BIGINT, 
	smart_250_normalized BIGINT, 
	smart_250_raw BIGINT, 
	smart_251_normalized BIGINT, 
	smart_251_raw BIGINT, 
	smart_252_normalized BIGINT, 
	smart_252_raw BIGINT, 
	smart_254_normalized BIGINT, 
	smart_254_raw BIGINT, 
	smart_11_normalized BIGINT, 
	smart_11_raw BIGINT, 
	smart_183_normalized BIGINT, 
	smart_183_raw BIGINT, 
	smart_200_normalized BIGINT, 
	smart_200_raw BIGINT, 
	smart_223_normalized BIGINT, 
	smart_223_raw BIGINT, 
	smart_225_normalized BIGINT, 
	smart_225_raw BIGINT, 
	smart_13_normalized BIGINT, 
	smart_13_raw BIGINT, 
	smart_201_normalized BIGINT, 
	smart_201_raw BIGINT, 
	smart_15_normalized BIGINT, 
	smart_15_raw BIGINT, 
	smart_255_normalized BIGINT, 
	smart_255_raw BIGINT, 
	smart_22_normalized BIGINT, 
	smart_22_raw BIGINT, 
	smart_220_normalized BIGINT, 
	smart_220_raw BIGINT, 
	smart_222_normalized BIGINT, 
	smart_222_raw BIGINT, 
	smart_224_normalized BIGINT, 
	smart_224_raw BIGINT, 
	smart_226_normalized BIGINT, 
	smart_226_raw BIGINT, 
	smart_177_normalized BIGINT, 
	smart_177_raw BIGINT, 
	smart_179_normalized BIGINT, 
	smart_179_raw BIGINT, 
	smart_181_normalized BIGINT, 
	smart_181_raw BIGINT, 
	smart_182_normalized BIGINT, 
	smart_182_raw BIGINT, 
	smart_235_normalized BIGINT, 
	smart_235_raw BIGINT, 
	smart_23_normalized BIGINT, 
	smart_23_raw BIGINT, 
	smart_24_normalized BIGINT, 
	smart_24_raw BIGINT, 
	smart_16_normalized BIGINT, 
	smart_16_raw BIGINT, 
	smart_17_normalized BIGINT, 
	smart_17_raw BIGINT, 
	smart_168_normalized BIGINT, 
	smart_168_raw BIGINT, 
	smart_170_normalized BIGINT, 
	smart_170_raw BIGINT, 
	smart_173_normalized BIGINT, 
	smart_173_raw BIGINT, 
	smart_174_normalized BIGINT, 
	smart_174_raw BIGINT, 
	smart_218_normalized BIGINT, 
	smart_218_raw BIGINT, 
	smart_231_normalized BIGINT, 
	smart_231_raw BIGINT, 
	smart_232_normalized BIGINT, 
	smart_232_raw BIGINT, 
	smart_233_normalized BIGINT, 
	smart_233_raw BIGINT, 
	smart_18_normalized BIGINT, 
	smart_18_raw BIGINT, 
	smart_175_normalized BIGINT, 
	smart_175_raw BIGINT, 
	smart_180_normalized BIGINT, 
	smart_180_raw BIGINT, 
	smart_202_normalized BIGINT, 
	smart_202_raw BIGINT, 
	smart_206_normalized BIGINT, 
	smart_206_raw BIGINT, 
	smart_210_normalized BIGINT, 
	smart_210_raw BIGINT, 
	smart_245_normalized BIGINT, 
	smart_245_raw BIGINT, 
	smart_247_normalized BIGINT, 
	smart_247_raw BIGINT, 
	smart_248_normalized BIGINT, 
	smart_248_raw BIGINT, 
	smart_234_normalized BIGINT, 
	smart_234_raw BIGINT, 
	smart_160_normalized BIGINT, 
	smart_160_raw BIGINT, 
	smart_161_normalized BIGINT, 
	smart_161_raw BIGINT, 
	smart_163_normalized BIGINT, 
	smart_163_raw BIGINT, 
	smart_164_normalized BIGINT, 
	smart_164_raw BIGINT, 
	smart_165_normalized BIGINT, 
	smart_165_raw BIGINT, 
	smart_166_normalized BIGINT, 
	smart_166_raw BIGINT, 
	smart_167_normalized BIGINT, 
	smart_167_raw BIGINT, 
	smart_169_normalized BIGINT, 
	smart_169_raw BIGINT, 
	smart_176_normalized BIGINT, 
	smart_176_raw BIGINT, 
	smart_178_normalized BIGINT, 
	smart_178_raw BIGINT, 
	smart_171_normalized BIGINT, 
	smart_171_raw BIGINT, 
	smart_172_normalized BIGINT, 
	smart_172_raw BIGINT, 
	smart_230_normalized BIGINT, 
	smart_230_raw BIGINT, 
	smart_244_normalized BIGINT, 
	smart_244_raw BIGINT, 
	smart_246_normalized BIGINT, 
	smart_246_raw BIGINT, 
	vault_id VARCHAR, 
	pod_id INTEGER, 
	is_legacy_format INTEGER, 
	smart_71_normalized BIGINT, 
	smart_71_raw BIGINT, 
	smart_90_normalized BIGINT, 
	smart_90_raw BIGINT, 
	datacenter VARCHAR, 
	cluster_id VARCHAR, 
	pod_slot_num INTEGER, 
	smart_82_normalized BIGINT, 
	smart_82_raw BIGINT, 
	smart_27_normalized BIGINT, 
	smart_27_raw BIGINT, 
	smart_211_normalized BIGINT, 
	smart_211_raw BIGINT, 
	smart_212_normalized BIGINT, 
	smart_212_raw BIGINT
)

/*
3 rows from drivestats table:
date	serial_number	model	capacity_bytes	failure	smart_1_raw	smart_5_raw	smart_9_raw	smart_194_raw	smart_197_raw	smart_1_normalized	smart_2_normalized	smart_2_raw	smart_3_normalized	smart_3_raw	smart_4_normalized	smart_4_raw	smart_5_normalized	smart_7_normalized	smart_7_raw	smart_8_normalized	smart_8_raw	smart_9_normalized	smart_10_normalized	smart_10_raw	smart_12_normalized	smart_12_raw	smart_184_normalized	smart_184_raw	smart_187_normalized	smart_187_raw	smart_188_normalized	smart_188_raw	smart_189_normalized	smart_189_raw	smart_190_normalized	smart_190_raw	smart_191_normalized	smart_191_raw	smart_192_normalized	smart_192_raw	smart_193_normalized	smart_193_raw	smart_194_normalized	smart_195_normalized	smart_195_raw	smart_196_normalized	smart_196_raw	smart_197_normalized	smart_198_normalized	smart_198_raw	smart_199_normalized	smart_199_raw	smart_240_normalized	smart_240_raw	smart_241_normalized	smart_241_raw	smart_242_normalized	smart_242_raw	smart_250_normalized	smart_250_raw	smart_251_normalized	smart_251_raw	smart_252_normalized	smart_252_raw	smart_254_normalized	smart_254_raw	smart_11_normalized	smart_11_raw	smart_183_normalized	smart_183_raw	smart_200_normalized	smart_200_raw	smart_223_normalized	smart_223_raw	smart_225_normalized	smart_225_raw	smart_13_normalized	smart_13_raw	smart_201_normalized	smart_201_raw	smart_15_normalized	smart_15_raw	smart_255_normalized	smart_255_raw	smart_22_normalized	smart_22_raw	smart_220_normalized	smart_220_raw	smart_222_normalized	smart_222_raw	smart_224_normalized	smart_224_raw	smart_226_normalized	smart_226_raw	smart_177_normalized	smart_177_raw	smart_179_normalized	smart_179_raw	smart_181_normalized	smart_181_raw	smart_182_normalized	smart_182_raw	smart_235_normalized	smart_235_raw	smart_23_normalized	smart_23_raw	smart_24_normalized	smart_24_raw	smart_16_normalized	smart_16_raw	smart_17_normalized	smart_17_raw	smart_168_normalized	smart_168_raw	smart_170_normalized	smart_170_raw	smart_173_normalized	smart_173_raw	smart_174_normalized	smart_174_raw	smart_218_normalized	smart_218_raw	smart_231_normalized	smart_231_raw	smart_232_normalized	smart_232_raw	smart_233_normalized	smart_233_raw	smart_18_normalized	smart_18_raw	smart_175_normalized	smart_175_raw	smart_180_normalized	smart_180_raw	smart_202_normalized	smart_202_raw	smart_206_normalized	smart_206_raw	smart_210_normalized	smart_210_raw	smart_245_normalized	smart_245_raw	smart_247_normalized	smart_247_raw	smart_248_normalized	smart_248_raw	smart_234_normalized	smart_234_raw	smart_160_normalized	smart_160_raw	smart_161_normalized	smart_161_raw	smart_163_normalized	smart_163_raw	smart_164_normalized	smart_164_raw	smart_165_normalized	smart_165_raw	smart_166_normalized	smart_166_raw	smart_167_normalized	smart_167_raw	smart_169_normalized	smart_169_raw	smart_176_normalized	smart_176_raw	smart_178_normalized	smart_178_raw	smart_171_normalized	smart_171_raw	smart_172_normalized	smart_172_raw	smart_230_normalized	smart_230_raw	smart_244_normalized	smart_244_raw	smart_246_normalized	smart_246_raw	vault_id	pod_id	is_legacy_format	smart_71_normalized	smart_71_raw	smart_90_normalized	smart_90_raw	datacenter	cluster_id	pod_slot_num	smart_82_normalized	smart_82_raw	smart_27_normalized	smart_27_raw	smart_211_normalized	smart_211_raw	smart_212_normalized	smart_212_raw
2017-03-29	MJ0351YNG9TZKA	Hitachi HDS5C3030ALA630	3000592982016	0	0	0	38799	26	0	100	135	108	155	515	100	20	100	100	0	122	37	95	100	0	100	20	None	None	None	None	None	None	None	None	None	None	None	None	100	429	100	429	230	None	None	100	0	100	100	0	200	0	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None
2017-03-29	PL1331LAGTU5GH	HGST HMS5C4040ALE640	4000787030016	0	0	0	22651	28	0	100	134	100	142	564	100	11	100	100	0	115	41	97	100	0	100	11	None	None	None	None	None	None	None	None	None	None	None	None	100	116	100	116	214	None	None	100	0	100	100	0	200	0	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None
2017-03-29	Z300ZS76	ST4000DM000	4000787030016	0	25239688	0	27553	26	0	110	None	None	91	0	100	14	100	89	806244424	None	None	69	100	0	100	14	100	0	100	0	100	0	74	26	74	26	100	0	100	3	87	26455	26	None	None	None	None	100	100	0	200	0	100	27444	100	26543779422	100	220351486242	None	None	None	None	None	None	None	None	None	None	99	1	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None	None
*/
================================== Ai Message ==================================
Tool Calls:
  sql_db_query_checker (call_Ul2xP4BOxrgz98sHKo57ZOpx)
 Call ID: call_Ul2xP4BOxrgz98sHKo57ZOpx
  Args:
    query: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10;
================================= Tool Message =================================
Name: sql_db_query_checker

```sql
SELECT datacenter, COUNT(serial_number) AS drive_count 
FROM drivestats 
WHERE date = '2024-09-01' 
GROUP BY datacenter 
ORDER BY drive_count DESC 
LIMIT 10;
```
================================== Ai Message ==================================
Tool Calls:
  sql_db_query (call_BJ2fySXnxxXAlLgYVL3ATdrW)
 Call ID: call_BJ2fySXnxxXAlLgYVL3ATdrW
  Args:
    query: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10;
================================= Tool Message =================================
Name: sql_db_query

Error: (trino.exceptions.TrinoUserError) TrinoUserError(type=USER_ERROR, name=SYNTAX_ERROR, message="line 1:152: mismatched input ';'. Expecting: <EOF>", query_id=20250114_002645_00002_bsut5)
[SQL: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10;]
(Background on this error at: https://sqlalche.me/e/20/f405)
================================== Ai Message ==================================
Tool Calls:
  sql_db_query_checker (call_iNkEkrDu5Oj92CaaZKWwBE9G)
 Call ID: call_iNkEkrDu5Oj92CaaZKWwBE9G
  Args:
    query: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10
================================= Tool Message =================================
Name: sql_db_query_checker

```sql
SELECT datacenter, COUNT(serial_number) AS drive_count 
FROM drivestats 
WHERE date = '2024-09-01' 
GROUP BY datacenter 
ORDER BY drive_count DESC 
LIMIT 10
```
================================== Ai Message ==================================
Tool Calls:
  sql_db_query (call_HwHt3I6BYHmgpUslMAiZI7nW)
 Call ID: call_HwHt3I6BYHmgpUslMAiZI7nW
  Args:
    query: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10
================================= Tool Message =================================
Name: sql_db_query

Error: (trino.exceptions.TrinoUserError) TrinoUserError(type=USER_ERROR, name=TYPE_MISMATCH, message="line 1:83: Cannot apply operator: date = varchar(10)", query_id=20250114_002648_00003_bsut5)
[SQL: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10]
(Background on this error at: https://sqlalche.me/e/20/f405)
================================== Ai Message ==================================
Tool Calls:
  sql_db_query_checker (call_mK7U75BmMQuDYY2cSt2B50oy)
 Call ID: call_mK7U75BmMQuDYY2cSt2B50oy
  Args:
    query: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = DATE '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10
================================= Tool Message =================================
Name: sql_db_query_checker

```sql
SELECT datacenter, COUNT(serial_number) AS drive_count 
FROM drivestats 
WHERE date = DATE '2024-09-01' 
GROUP BY datacenter 
ORDER BY drive_count DESC 
LIMIT 10
```
================================== Ai Message ==================================
Tool Calls:
  sql_db_query (call_2bfwvB77ZCA3faN14gV6mvyT)
 Call ID: call_2bfwvB77ZCA3faN14gV6mvyT
  Args:
    query: SELECT datacenter, COUNT(serial_number) AS drive_count FROM drivestats WHERE date = DATE '2024-09-01' GROUP BY datacenter ORDER BY drive_count DESC LIMIT 10
================================= Tool Message =================================
Name: sql_db_query

[('phx1', 89477), ('sac0', 78444), ('sac2', 60775), ('', 24080), ('iad1', 22800), ('ams5', 16139)]
================================== Ai Message ==================================

On September 1, 2024, the following data centers had the specified number of drives:

1. **phx1**: 89,477 drives
2. **sac0**: 78,444 drives
3. **sac2**: 60,775 drives
4. **(unknown datacenter)**: 24,080 drives
5. **iad1**: 22,800 drives
6. **ams5**: 16,139 drives

These results show the data centers with their respective drive counts.