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‎.gitignore‎

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target/
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.idea
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.idea/modules.xml
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.idea/jarRepositories.xml
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.idea/compiler.xml
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.idea/libraries/
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*.iws
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*.iml
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*.ipr
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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!**/src/main/**/build/
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!**/src/test/**/build/
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.vscode/
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.DS_Store

‎README.md‎

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‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>io.github.mnesimiyilmaz</groupId>
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<artifactId>sql4json</artifactId>
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<version>0.0.1</version>
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<packaging>jar</packaging>
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<description>Filter, aggregate and select data from json using SQL like query.</description>
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<url>https://github.com/mnesimiyilmaz/sql4json</url>
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<licenses>
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<license>
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<name>Apache License, Version 2.0</name>
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<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
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<distribution>repo</distribution>
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</license>
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</licenses>
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<developers>
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<developer>
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<name>Mucahit Nesimi YILMAZ</name>
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<organizationUrl>https://github.com/mnesimiyilmaz</organizationUrl>
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</developer>
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</developers>
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<distributionManagement>
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<repository>
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<id>github</id>
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<name>GitHub mnesimiyilmaz Apache Maven Packages</name>
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<url>https://maven.pkg.github.com/mnesimiyilmaz/sql4json</url>
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</repository>
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</distributionManagement>
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<properties>
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<java.version>1.8</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<!--last version that supports java 1.8 :/-->
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<antlr.version>4.9.3</antlr.version>
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<lombok.version>1.18.30</lombok.version>
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<jackson.version>2.15.2</jackson.version>
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<junit.version>5.10.0</junit.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.antlr</groupId>
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<artifactId>antlr4-runtime</artifactId>
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<version>${antlr.version}</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.dataformat</groupId>
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<artifactId>jackson-dataformat-xml</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.module</groupId>
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<artifactId>jackson-module-parameter-names</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.datatype</groupId>
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<artifactId>jackson-datatype-jsr310</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.datatype</groupId>
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<artifactId>jackson-datatype-jdk8</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.11.0</version>
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<configuration>
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<encoding>${project.build.sourceEncoding}</encoding>
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<source>${java.version}</source>
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<target>${java.version}</target>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.antlr</groupId>
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<artifactId>antlr4-maven-plugin</artifactId>
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<version>${antlr.version}</version>
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<executions>
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<execution>
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<goals>
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<goal>antlr4</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<artifactId>maven-assembly-plugin</artifactId>
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<configuration>
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<descriptorRefs>
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<descriptorRef>jar-with-dependencies</descriptorRef>
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</descriptorRefs>
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</configuration>
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<executions>
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<execution>
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<id>simple-command</id>
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<phase>package</phase>
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<goals>
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<goal>attached</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-source-plugin</artifactId>
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<version>3.3.0</version>
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<executions>
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<execution>
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<id>attach-sources</id>
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<goals>
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<goal>jar</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎src/main/antlr4/io/github/mnesimiyilmaz/sql4json/generated/SQL4Json.g4‎

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grammar SQL4Json;
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sql4json
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: SELECT selectedColumns FROM rootNode (WHERE whereConditions)? (GROUP BY groupByColumns)? (HAVING havingConditions)? (ORDER BY orderByColumns)? (SEMI_COLON)? EOF
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;
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rootNode
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: ROOT (DOT IDENTIFIER (DOT IDENTIFIER)*)?
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;
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jsonColumn
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: IDENTIFIER (DOT IDENTIFIER)*
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;
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params
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: value (COMMA value)*
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;
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jsonColumnWithNonAggFunction
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: jsonColumn
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| NON_AGG_FUNCTION LPAREN jsonColumn (COMMA params)? RPAREN
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;
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jsonColumnWithAggFunction
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: jsonColumnWithNonAggFunction
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| AGG_FUNCTION LPAREN (ASTERISK | jsonColumnWithNonAggFunction) RPAREN
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;
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selectColumn
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: jsonColumnWithAggFunction (AS jsonColumn)?
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;
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selectedColumns
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: ASTERISK
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| selectColumn (COMMA selectColumn)*
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;
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value
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: STRING | NUMBER | BOOLEAN | NULL | VALUE_FUNCTION
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;
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valueWithNonAggFunction
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: value
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| NON_AGG_FUNCTION LPAREN value (COMMA params)? RPAREN
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;
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comparison
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: jsonColumnWithNonAggFunction COMPARISON_OPERATOR valueWithNonAggFunction
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;
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like
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: jsonColumnWithNonAggFunction LIKE STRING
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;
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isNull
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: jsonColumnWithNonAggFunction IS NULL
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;
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isNotNull
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: jsonColumnWithNonAggFunction IS NOT NULL
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;
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condition
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: comparison
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| like
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| isNull
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| isNotNull
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;
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nestedCondition
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: LPAREN (condition | nestedCondition) (LOGICAL_OPERATOR (condition | nestedCondition))* RPAREN
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;
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conditions
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: (condition | nestedCondition) (LOGICAL_OPERATOR (condition | nestedCondition))*
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;
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whereConditions
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: conditions
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;
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havingConditions
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: conditions
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;
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groupByColumn
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: jsonColumnWithNonAggFunction
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;
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groupByColumns
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: groupByColumn (COMMA groupByColumn)*
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;
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orderByColumn
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: jsonColumnWithNonAggFunction (ORDER_DIRECTION)?
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;
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orderByColumns
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: orderByColumn (COMMA orderByColumn)*
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;
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SELECT: S E L E C T ;
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FROM: F R O M ;
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WHERE: W H E R E ;
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AS: A S;
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GROUP: G R O U P;
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BY: B Y;
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ORDER: O R D E R;
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HAVING: H A V I N G;
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LIKE: L I K E;
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IS: I S;
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NOT: N O T;
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ROOT: DOLLAR_SIGN R;
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ORDER_DIRECTION: ASC | DESC;
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NON_AGG_FUNCTION: STRING_FUNCTION | UTILITY_FUNCTION;
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STRING_FUNCTION: LOWER | UPPER;
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UTILITY_FUNCTION: COALESCE | TO_DATE;
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AGG_FUNCTION: AVG | SUM | COUNT | MIN | MAX;
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VALUE_FUNCTION: NOW;
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SEMI_COLON: ';';
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COMMA: ',';
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DOT: '.';
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ASTERISK: '*';
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LPAREN : '(' ;
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RPAREN : ')' ;
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STRING : '\'' ~[']* '\'';
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NUMBER: [0-9.]+;
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BOOLEAN: TRUE | FALSE;
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NULL: N U L L;
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COMPARISON_OPERATOR: GTE | LTE | NOT_EQUAL | GT | LT | EQUAL;
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LOGICAL_OPERATOR: AND | OR;
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IDENTIFIER: [A-Za-z0-9_-]+;
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ESC: [ \t\r\n]+ -> skip;
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fragment DOLLAR_SIGN: '$';
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fragment COALESCE: C O A L E S C E;
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fragment NOW: N O W LPAREN RPAREN;
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fragment ASC: A S C;
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fragment DESC: D E S C;
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fragment AVG: A V G;
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fragment SUM: S U M;
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fragment COUNT: C O U N T;
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fragment MIN: M I N;
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fragment MAX: M A X;
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fragment LOWER: L O W E R;
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fragment UPPER: U P P E R;
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fragment TO_DATE: T O UNDER_SCORE D A T E;
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fragment TRUE: T R U E;
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fragment FALSE: F A L S E;
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fragment GTE: '>=';
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fragment LTE: '<=';
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fragment NOT_EQUAL: '!=';
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fragment GT: '>';
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fragment LT: '<';
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fragment EQUAL: '=';
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fragment AND: A N D;
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fragment OR: O R;
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fragment UNDER_SCORE: '_';
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fragment A:('a'|'A');
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fragment B:('b'|'B');
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fragment C:('c'|'C');
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fragment D:('d'|'D');
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fragment E:('e'|'E');
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fragment F:('f'|'F');
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fragment G:('g'|'G');
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fragment H:('h'|'H');
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fragment I:('i'|'I');
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fragment J:('j'|'J');
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fragment K:('k'|'K');
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fragment L:('l'|'L');
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fragment M:('m'|'M');
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fragment N:('n'|'N');
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fragment O:('o'|'O');
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fragment P:('p'|'P');
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fragment Q:('q'|'Q');
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fragment R:('r'|'R');
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fragment S:('s'|'S');
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fragment T:('t'|'T');
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fragment U:('u'|'U');
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fragment V:('v'|'V');
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fragment W:('w'|'W');
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fragment X:('x'|'X');
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fragment Y:('y'|'Y');
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fragment Z:('z'|'Z');

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