| liquidity_pool_id | Unique identifier for a liquidity pool. | STRING | | Yes | Natural Key. Cluster Field. Cannot be duplicated for same asset pair. |
| type | Mechanism that calculates pricing and division of shares for the pool. | STRING | constant_product | Yes | Initially only constant product pools are supported. See Cap-38. |
| fee | Basis points charged as trade fee. | INTEGER | Default = 30 | Yes | Fees are distributed immediately to accounts as transactions complete. |
| trustline_count | Total number of accounts with trustlines authorized to the pool. | INTEGER | | Yes | Revoking authorization on an asset will withdraw accounts from all pools with that asset. |
| pool_share_count | Total number of pool shares representing participation in the liquidity pool. | FLOAT | | Yes | Shares are not transferable. Can only be adjusted via deposit/withdraw. |
| asset_a_type | Asset type for one side of the pool (sold asset). | STRING | - credit_alphanum4
- credit_alphanum12
- native
| Yes | XLM has type = 'native'. No asset code/issuer. |
| asset_a_code | Asset code (4 or 12 chars) for sold asset in trade. | STRING | | No | Asset codes alone are not unique. Combination with issuer + type is unique. |
| asset_a_issuer | Account address of the original issuer of the sold asset. | STRING | | No | |
| asset_a_id | Farm Hash encoding of asset code + issuer + type for asset A. | INTEGER | | No | |
| asset_a_amount | Raw number of tokens locked in the pool for asset A. | FLOAT | | Yes | |
| asset_b_type | Asset type for the other side of the pool. | STRING | - credit_alphanum4
- credit_alphanum12
- native
| Yes | XLM has type = 'native'. |
| asset_b_code | Asset code (4 or 12 chars) for other asset in trade. | STRING | | No | Asset codes alone are not unique. Combination with issuer + type is unique. |
| asset_b_issuer | Account address of the original issuer of the other asset. | STRING | | No | |
| asset_b_id | Farm Hash encoding of asset code + issuer + type for asset B. | INTEGER | | No | |
| asset_b_amount | Raw number of tokens locked in the pool for asset B. | FLOAT | | Yes | |
| last_modified_ledger | Ledger sequence number when the pool entry was last modified. | INTEGER | | Yes | Natural Key. Cluster Field. Deletion does not count as modification. |
| ledger_entry_change | Code describing the ledger entry change type. | INTEGER | - 0 - Ledger Entry Created
- 1 - Ledger Entry Updated
- 2 - Ledger Entry Deleted
- 3 - Ledger Entry State (value of the entry)
| Yes | Updates not valid for claimable balances. |
| deleted | Indicates whether the liquidity pool entry was deleted. | BOOLEAN | true, false | Yes | Deleted entries cannot be recovered; history is maintained. |
| batch_id | String representation of the run id for a given DAG in Airflow. Takes the form of scheduled__<batch_end_date>-<dag_alias>. Batch ids are unique to the batch and help with monitoring and rerun capabilities | string | | Yes | |
| batch_run_date | Start date for the batch interval. | DATETIME | | Yes | Proxy for closed_at. |
| closed_at | Timestamp in UTC when ledger closed and committed. | TIMESTAMP | | Yes | Ledgers close ~every 5 seconds. |
| ledger_sequence | Ledger sequence number. | INTEGER | | Yes | Represents order of ledger within Stellar blockchain. |
| batch_insert_ts | Timestamp in UTC when batch was inserted into DB. | TIMESTAMP | | Yes | Used for engineering/debugging, not analysis. |
| airflow_start_ts | Timestamp when airflow job started. | STRING | | Yes | Helps detect backfill loads. |
| valid_from | Timestamp when this snapshot row became effective. | TIMESTAMP | | Yes | Helps track changes over time. |
| valid_to | Timestamp when this row is no longer valid. | TIMESTAMP | | No | Null = still active. |