kingtroga

import falkordb
from redis.exceptions import ResponseError

client = falkordb.FalkorDB(host="localhost", port=6379)
g = client.select_graph("graphrag")

g.query("""
MERGE (src:Source {sourceId: 'src1'}) SET src.url = 'http://example.com'
MERGE (c:Chunk {chunkId: 'chunk1'}) SET c.text = 'some chunk text'
MERGE (t:Topic {value: 'AI'})

kingtroga

| Column         | Aggregation     | Meaning                                                                                                  |
|----------------|-----------------|----------------------------------------------------------------------------------------------------------|
| `open`         | `'first'`       | Takes the **first price** in the interval - the opening price of the candle.                             |
| `high`         | `'max'`         | Takes the **maximum price** in the interval - the highest price reached.                                 |
| `low`          | `'min'`         | Takes the **minimum price** in the interval - the lowest price reached.                                  |
| `close`        | `'last'`        | Takes the **last price** in the interval - the closing price of the candle.                              |
| `volume`       | `'sum'`         | Sums all volumes in the interval - the total traded volume during that period.                           |

kingtroga

Letter	Meaning	Example
B	Business day	'1B' → 1 business day
C	Custom business day	'1C' → 1 custom business day
D	Calendar day	'1D' → 1 day
W	Week	'1W' → 1 week (ends on Sunday by default)
M	Month end	'1M' → last calendar day of the month
SM	Semi-month end	'1SM' → 15th & end of month
BM	Business month end	'1BM' → last business day of the month
CBM	Custom business month end	'1CBM'