Merge pull request #16 from sharding-sphere/dev (7160a4b5) · Commits · SUMMER2020 / students / proj-2004142

RELEASE-NOTES.md

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		### Bug Fixes

		1. [ISSUE #372](https://github.com/sharding-sphere/sharding-sphere/issues/372) Reuse PreparedStatement cause cache of route result do not clean
		1. [ISSUE #628](https://github.com/sharding-sphere/sharding-sphere/issues/628) Support data type jsonb for PostgreSQL
		1. [ISSUE #629](https://github.com/sharding-sphere/sharding-sphere/issues/629) Support transaction isolation on JDBC
		1. [ISSUE #646](https://github.com/sharding-sphere/sharding-sphere/issues/646) When aliases in SELECT ITEMS correspond to the real column names of GROUP BY or ORDER BY, there is no need to add columns
		@@ -37,6 +38,7 @@
		1. [ISSUE #806](https://github.com/sharding-sphere/sharding-sphere/issues/806) SQL parse error with `NOT IN`
		1. [ISSUE #827](https://github.com/sharding-sphere/sharding-sphere/issues/827) Fix endless loop for bad SQL like `SELECT * FROM table WHERE id IN ()`
		1. [ISSUE #919](https://github.com/sharding-sphere/sharding-sphere/issues/919) Use groovy to parse inline expression may cause memory leak
		1. [ISSUE #993](https://github.com/sharding-sphere/sharding-sphere/issues/993) Fail to parsing PostgreSQL due to the quotation
		1. [ISSUE #1011](https://github.com/sharding-sphere/sharding-sphere/issues/1011) Can't resolve placeholder in spring boot configuration yaml
		1. [ISSUE #1015](https://github.com/sharding-sphere/sharding-sphere/issues/1015) Support the statement of `SELECT id, COUNT(*) FROM table GROUP BY 1,2`

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		### 缺陷修正

		1. [ISSUE #372](https://github.com/sharding-sphere/sharding-sphere/issues/372) 同一PreparedStatement反复使用导致路由缓存未清理
		1. [ISSUE #628](https://github.com/sharding-sphere/sharding-sphere/issues/628) 支持PostgreSQL的数据类型jsonb
		1. [ISSUE #629](https://github.com/sharding-sphere/sharding-sphere/issues/629) 支持JDBC中设置事务隔离级别
		1. [ISSUE #646](https://github.com/sharding-sphere/sharding-sphere/issues/646) 当SELECT ITEMS中的别名与GROUP BY或ORDER BY的真实列名对应时，无需补列
		@@ -37,6 +38,7 @@
		1. [ISSUE #806](https://github.com/sharding-sphere/sharding-sphere/issues/806) `NOT IN`解析异常
		1. [ISSUE #827](https://github.com/sharding-sphere/sharding-sphere/issues/827) 将`SELECT * FROM table WHERE id IN ()`这种SQL跳出死循环
		1. [ISSUE #919](https://github.com/sharding-sphere/sharding-sphere/issues/919) 使用Groovy解析行表达式可能导致内存泄漏
		1. [ISSUE #993](https://github.com/sharding-sphere/sharding-sphere/issues/993) 无法解析PostgreSQL的双引号占位符
		1. [ISSUE #1011](https://github.com/sharding-sphere/sharding-sphere/issues/1011) 无法在Spring Boot的yaml中处理占位符
		1. [ISSUE #1015](https://github.com/sharding-sphere/sharding-sphere/issues/1015) 支持使用`SELECT id, COUNT(*) FROM table GROUP BY 1,2`

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		@@ -109,7 +109,7 @@ public class Lexer {
		return isIdentifierBegin(getCurrentChar(0));
		}

		private boolean isIdentifierBegin(final char ch) {
		protected boolean isIdentifierBegin(final char ch) {
		return CharType.isAlphabet(ch) \|\| '`' == ch \|\| '_' == ch \|\| '$' == ch;
		}

		@@ -126,7 +126,7 @@ public class Lexer {
		return CharType.isSymbol(getCurrentChar(0));
		}

		private boolean isCharsBegin() {
		protected boolean isCharsBegin() {
		return '\'' == getCurrentChar(0) \|\| '\"' == getCurrentChar(0);
		}

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		@@ -153,6 +153,10 @@ public final class Tokenizer {
		int length = getLengthUntilTerminatedChar('`');
		return new Token(Literals.IDENTIFIER, input.substring(offset, offset + length), offset + length);
		}
		if ('"' == charAt(offset)) {
		int length = getLengthUntilTerminatedChar('"');
		return new Token(Literals.IDENTIFIER, input.substring(offset, offset + length), offset + length);
		}
		int length = 0;
		while (isIdentifierChar(charAt(offset + length))) {
		length++;

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		@@ -18,6 +18,7 @@
		package io.shardingsphere.core.parsing.lexer.dialect.postgresql;

		import io.shardingsphere.core.parsing.lexer.Lexer;
		import io.shardingsphere.core.parsing.lexer.analyzer.CharType;
		import io.shardingsphere.core.parsing.lexer.analyzer.Dictionary;

		/**
		@@ -32,4 +33,14 @@ public final class PostgreSQLLexer extends Lexer {
		public PostgreSQLLexer(final String input) {
		super(input, dictionary);
		}

		@Override
		protected boolean isIdentifierBegin(final char ch) {
		return CharType.isAlphabet(ch) \|\| '\"' == ch \|\| '_' == ch;
		}

		@Override
		protected boolean isCharsBegin() {
		return '\'' == getCurrentChar(0);
		}
		}