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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity >=0.8.0; | ||
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| /* Autogenerated file. Do not edit manually. */ | ||
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| import { IStore } from "@latticexyz/store/src/IStore.sol"; | ||
| import { SelectionFragment, Record } from "./../modules/query/systems/structs.sol"; | ||
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| interface IQuerySystem { | ||
| function query( | ||
| IStore store, | ||
| bytes32 tableId, | ||
| uint8[] memory projectionFieldIndices, | ||
| SelectionFragment[] memory fragments | ||
| ) external view returns (Record[] memory records); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity >=0.8.0; | ||
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| import { IStore } from "@latticexyz/store/src/IStore.sol"; | ||
| import { System } from "../../../System.sol"; | ||
| import { StoreSwitch } from "@latticexyz/store/src/StoreSwitch.sol"; | ||
| import { getKeysInTable } from "../../keysintable/getKeysInTable.sol"; | ||
| import { Record, SelectionFragment, SelectionType } from "./structs.sol"; | ||
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| function isEqual(bytes memory a, bytes memory b) pure returns (bool) { | ||
| return keccak256(a) == keccak256(b); | ||
| } | ||
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| function passesSelectionFragment(SelectionFragment memory fragment, bytes memory value) pure returns (bool) { | ||
| if (fragment.selectionType == SelectionType.Equal && !isEqual(fragment.value, value)) { | ||
| return false; | ||
| } | ||
| if (fragment.selectionType == SelectionType.NotEqual && isEqual(fragment.value, value)) { | ||
| return false; | ||
| } | ||
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| return true; | ||
| } | ||
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| // This implements SQL-style queries like: | ||
| // SELECT * FROM table WHERE name="" | ||
| contract QuerySystem is System { | ||
| function query( | ||
| IStore store, | ||
| bytes32 tableId, | ||
| uint8[] memory projectionFieldIndices, | ||
| SelectionFragment[] memory fragments | ||
| ) public view returns (Record[] memory records) { | ||
| bytes32[][] memory keys = getKeysInTable(store, tableId); | ||
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| records = new Record[](0); | ||
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| for (uint256 i; i < keys.length; i++) { | ||
| bool passes = true; | ||
| for (uint256 j; j < fragments.length; j++) { | ||
| bytes memory blob = store.getField(tableId, keys[i], fragments[j].fieldIndex); | ||
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| if (!passesSelectionFragment(fragments[j], blob)) { | ||
| passes = false; | ||
| break; | ||
| } | ||
| } | ||
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| if (passes) { | ||
| // Increase the length of array | ||
| uint256 length = records.length; | ||
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| Record[] memory newRecords = new Record[](length + 1); | ||
| for (uint256 k; k < length; k++) { | ||
| newRecords[k] = records[k]; | ||
| } | ||
| records = newRecords; | ||
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| records[length].key = keys[i]; | ||
| records[length].value = new bytes[](projectionFieldIndices.length); | ||
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| for (uint256 j; j < projectionFieldIndices.length; j++) { | ||
| records[length].value[j] = store.getField(tableId, keys[i], projectionFieldIndices[j]); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity >=0.8.0; | ||
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| enum SelectionType { | ||
| Equal, | ||
| NotEqual | ||
| } | ||
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| struct SelectionFragment { | ||
| SelectionType selectionType; | ||
| uint8 fieldIndex; | ||
| bytes value; | ||
| } | ||
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| struct Record { | ||
| bytes32[] key; | ||
| bytes[] value; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity >=0.8.0; | ||
|
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| /* Autogenerated file. Do not edit manually. */ | ||
|
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| import { IStore } from "@latticexyz/store/src/IStore.sol"; | ||
| import { SelectionFragment, Record } from "../systems/structs.sol"; | ||
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| interface IQuerySystem { | ||
| function query_system_query( | ||
| IStore store, | ||
| bytes32 tableId, | ||
| uint8[] memory projectionFieldIndices, | ||
| SelectionFragment[] memory fragments | ||
| ) external view returns (Record[] memory records); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity >=0.8.0; | ||
|
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| /* Autogenerated file. Do not edit manually. */ | ||
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| import { IBaseWorld } from "../../../interfaces/IBaseWorld.sol"; | ||
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| import { IQuerySystem } from "./IQuerySystem.sol"; | ||
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| /** | ||
| * The IWorld interface includes all systems dynamically added to the World | ||
| * during the deploy process. | ||
| */ | ||
| interface IWorld is IBaseWorld, IQuerySystem { | ||
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| } |
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