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[feature][dingo-executor] Support for binary vector indexing
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141 changes: 141 additions & 0 deletions
141
dingo-calcite/src/main/java/io/dingodb/calcite/utils/VectorUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| /* | ||
| * Copyright 2021 DataCanvas | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package io.dingodb.calcite.utils; | ||
|
|
||
| import io.dingodb.exec.fun.vector.VectorImageFun; | ||
| import io.dingodb.exec.fun.vector.VectorTextFun; | ||
| import io.dingodb.exec.restful.VectorExtract; | ||
| import org.apache.calcite.rex.RexCall; | ||
| import org.apache.calcite.rex.RexLiteral; | ||
| import org.apache.calcite.sql.SqlBasicCall; | ||
| import org.apache.calcite.sql.SqlCharStringLiteral; | ||
| import org.apache.calcite.sql.SqlIdentifier; | ||
| import org.apache.calcite.sql.SqlLiteral; | ||
| import org.apache.calcite.sql.SqlNode; | ||
| import org.apache.calcite.sql.SqlNumericLiteral; | ||
| import org.apache.calcite.sql.fun.SqlArrayValueConstructor; | ||
| import org.apache.calcite.util.NlsString; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Objects; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| public final class VectorUtils { | ||
|
|
||
| private VectorUtils(){} | ||
|
|
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| private static final int MULTIPLE = 8; | ||
|
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| public static byte[] parseBinaryStringToBinary(List<Object> operandsList) { | ||
| if (operandsList.get(2) instanceof SqlCharStringLiteral) { | ||
| String binaryString = ((NlsString)((SqlCharStringLiteral) operandsList.get(2)).getValue()).getValue(); | ||
| int length = binaryString.length(); | ||
| int segmentLength = length / MULTIPLE; | ||
| byte[] byteArray = new byte[segmentLength]; | ||
| for (int i = 0; i < segmentLength; i++) { | ||
| String segment = binaryString.substring(i * MULTIPLE, (i + 1) * MULTIPLE); | ||
| byteArray[i] = (byte) Integer.parseInt(segment, 2); | ||
| } | ||
| return byteArray; | ||
| } | ||
| throw new RuntimeException("vector load binary string param error"); | ||
| } | ||
|
|
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| public static byte[] parseBinaryStringToByteArray(List<Object> operandsList) { | ||
| if (operandsList.get(2) instanceof SqlCharStringLiteral) { | ||
| String binaryString = ((NlsString)((SqlCharStringLiteral) operandsList.get(2)).getValue()).getValue(); | ||
| int length = binaryString.length(); | ||
| byte[] byteArray = new byte[length]; | ||
| for (int i = 0; i < length; i++) { | ||
| char c = binaryString.charAt(i); | ||
| byteArray[i] = (byte) c; | ||
| } | ||
| return byteArray; | ||
| } | ||
| throw new RuntimeException("vector load binary string param error"); | ||
| } | ||
|
|
||
| public static Float[] getVectorFloats(List<Object> operandsList) { | ||
| Float[] floatArray = null; | ||
| Object call = operandsList.get(2); | ||
| if (call instanceof RexCall) { | ||
| RexCall rexCall = (RexCall) call; | ||
| floatArray = new Float[rexCall.getOperands().size()]; | ||
| int vectorDimension = rexCall.getOperands().size(); | ||
| for (int i = 0; i < vectorDimension; i++) { | ||
| RexLiteral literal = (RexLiteral) rexCall.getOperands().get(i); | ||
| floatArray[i] = literal.getValueAs(Float.class); | ||
| } | ||
| return floatArray; | ||
| } | ||
| SqlBasicCall basicCall = (SqlBasicCall) operandsList.get(2); | ||
| if (basicCall.getOperator() instanceof SqlArrayValueConstructor) { | ||
| List<SqlNode> operands = basicCall.getOperandList(); | ||
| floatArray = new Float[operands.size()]; | ||
| for (int i = 0; i < operands.size(); i++) { | ||
| floatArray[i] = ( | ||
| (Number) Objects.requireNonNull(((SqlNumericLiteral) operands.get(i)).getValue()) | ||
| ).floatValue(); | ||
| } | ||
| } else { | ||
| List<SqlNode> sqlNodes = basicCall.getOperandList(); | ||
| if (sqlNodes.size() < 2) { | ||
| throw new RuntimeException("vector load param error"); | ||
| } | ||
| List<Object> paramList = sqlNodes.stream().map(e -> { | ||
| if (e instanceof SqlLiteral) { | ||
| return ((SqlLiteral)e).getValue(); | ||
| } else if (e instanceof SqlIdentifier) { | ||
| return ((SqlIdentifier)e).getSimple(); | ||
| } else { | ||
| return e.toString(); | ||
| } | ||
| }).collect(Collectors.toList()); | ||
| if (paramList.get(1) == null || paramList.get(0) == null) { | ||
| throw new RuntimeException("vector load param error"); | ||
| } | ||
| String param = paramList.get(1).toString(); | ||
| if (param.contains("'")) { | ||
| param = param.replace("'", ""); | ||
| } | ||
| String funcName = basicCall.getOperator().getName(); | ||
| if (funcName.equalsIgnoreCase(VectorTextFun.NAME)) { | ||
| floatArray = VectorExtract.getTxtVector( | ||
| basicCall.getOperator().getName(), | ||
| paramList.get(0).toString(), | ||
| param); | ||
| } else if (funcName.equalsIgnoreCase(VectorImageFun.NAME)) { | ||
| if (paramList.size() < 3) { | ||
| throw new RuntimeException("vector load param error"); | ||
| } | ||
| Object localPath = paramList.get(2); | ||
| if (!(localPath instanceof Boolean)) { | ||
| throw new RuntimeException("vector load param error"); | ||
| } | ||
| floatArray = VectorExtract.getImgVector( | ||
| basicCall.getOperator().getName(), | ||
| paramList.get(0).toString(), | ||
| paramList.get(1), | ||
| (Boolean) paramList.get(2)); | ||
| } | ||
| } | ||
| if (floatArray == null) { | ||
| throw new RuntimeException("vector load error"); | ||
| } | ||
| return floatArray; | ||
| } | ||
| } |
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