mirror of
https://github.com/alibaba/druid.git
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add postgresql parser support
This commit is contained in:
温少
+399
-352
@@ -1,366 +1,413 @@
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package com.alibaba.druid.sql.dialect.mysql.visitor;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import com.alibaba.druid.sql.ast.SQLName;
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import com.alibaba.druid.sql.ast.SQLObject;
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import com.alibaba.druid.sql.ast.expr.SQLAggregateExpr;
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import com.alibaba.druid.sql.ast.expr.SQLAllColumnExpr;
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import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
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import com.alibaba.druid.sql.ast.expr.SQLMethodInvokeExpr;
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import com.alibaba.druid.sql.ast.expr.SQLPropertyExpr;
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import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
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import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
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import com.alibaba.druid.sql.ast.statement.SQLJoinTableSource;
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import com.alibaba.druid.sql.ast.statement.SQLSelect;
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import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
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import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
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import com.alibaba.druid.sql.ast.statement.SQLSubqueryTableSource;
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import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.MySqlKey;
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import com.alibaba.druid.sql.dialect.mysql.ast.MySqlPrimaryKey;
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import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlBinaryExpr;
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import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlBooleanExpr;
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import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlExtractExpr;
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import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlIntervalExpr;
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import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlMatchAgainstExpr;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.CobarShowStatus;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlBinlogStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlCommitStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlDeleteStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlExecuteStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlInsertStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlKillStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlLoadDataInFileStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlLoadXmlStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlPrepareStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlReplicateStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlResetStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlRollbackStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectGroupBy;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowColumnsStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowDatabasesStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowStatusStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowTablesStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlShowWarningsStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlStartTransactionStatement;
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import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlTableIndex;
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import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
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import com.alibaba.druid.stat.TableStat;
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import com.alibaba.druid.stat.TableStat.Column;
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import com.alibaba.druid.stat.TableStat.Mode;
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public class MySqlSchemaStatVisitor extends MySqlASTVisitorAdapter {
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private HashMap<TableStat.Name, TableStat> tableStats = new HashMap<TableStat.Name, TableStat>();
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private Set<Column> fields = new HashSet<Column>();
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private final static ThreadLocal<Map<String, String>> aliasLocal = new ThreadLocal<Map<String, String>>();
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private final static ThreadLocal<String> currentTableLocal = new ThreadLocal<String>();
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private final static ThreadLocal<Mode> modeLocal = new ThreadLocal<Mode>();
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public boolean visit(SQLSubqueryTableSource x) {
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Map<String, String> aliasMap = aliasLocal.get();
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if (aliasMap != null) {
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if (x.getAlias() != null) {
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aliasMap.put(x.getAlias(), null);
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}
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}
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return true;
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}
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public boolean visit(SQLExprTableSource x) {
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if (x.getExpr() instanceof SQLIdentifierExpr || x.getExpr() instanceof SQLPropertyExpr) {
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String ident = x.getExpr().toString();
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TableStat stat = tableStats.get(ident);
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if (stat == null) {
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stat = new TableStat();
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tableStats.put(new TableStat.Name(ident), stat);
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}
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Mode mode = modeLocal.get();
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switch (mode) {
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case Delete:
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stat.incrementDeleteCount();
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break;
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case Insert:
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stat.incrementInsertCount();
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break;
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case Update:
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stat.incrementUpdateCount();
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break;
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case Select:
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stat.incrementSelectCount();
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break;
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default:
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break;
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}
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Map<String, String> aliasMap = aliasLocal.get();
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if (aliasMap != null) {
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if (x.getAlias() != null) {
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aliasMap.put(x.getAlias(), ident);
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}
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aliasMap.put(ident, ident);
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}
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} else {
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accept(x.getExpr());
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}
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return false;
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}
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public boolean visit(SQLSelect x) {
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accept(x.getQuery());
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String originalTable = currentTableLocal.get();
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currentTableLocal.set((String) x.getQuery().getAttribute("table"));
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x.putAttribute("_old_local_", originalTable);
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accept(x.getOrderBy());
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currentTableLocal.set(originalTable);
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return false;
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}
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public boolean visit(SQLAggregateExpr x) {
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accept(x.getArguments());
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return false;
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}
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public boolean visit(SQLMethodInvokeExpr x) {
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accept(x.getParameters());
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return false;
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}
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public boolean visit(SQLUpdateStatement x) {
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aliasLocal.set(new HashMap<String, String>());
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String ident = x.getTableName().toString();
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currentTableLocal.set(ident);
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TableStat stat = tableStats.get(ident);
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if (stat == null) {
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stat = new TableStat();
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tableStats.put(new TableStat.Name(ident), stat);
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}
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stat.incrementUpdateCount();
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Map<String, String> aliasMap = aliasLocal.get();
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aliasMap.put(ident, ident);
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accept(x.getItems());
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accept(x.getWhere());
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return false;
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}
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public void endVisit(SQLUpdateStatement x) {
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aliasLocal.set(null);
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}
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public boolean visit(MySqlDeleteStatement x) {
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aliasLocal.set(new HashMap<String, String>());
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x.putAttribute("_original_use_mode", modeLocal.get());
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modeLocal.set(Mode.Delete);
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aliasLocal.set(new HashMap<String, String>());
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if (x.getTableNames().size() == 1) {
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String ident = ((SQLIdentifierExpr) x.getTableNames().get(0)).getName();
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currentTableLocal.set(ident);
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}
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for (SQLName tableName : x.getTableNames()) {
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String ident = tableName.toString();
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TableStat stat = tableStats.get(ident);
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if (stat == null) {
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stat = new TableStat();
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tableStats.put(new TableStat.Name(ident), stat);
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}
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stat.incrementDeleteCount();
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}
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accept(x.getWhere());
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accept(x.getFrom());
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accept(x.getUsing());
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accept(x.getOrderBy());
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accept(x.getLimit());
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return false;
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}
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public void endVisit(MySqlDeleteStatement x) {
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aliasLocal.set(null);
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}
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public boolean visit(SQLSelectStatement x) {
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aliasLocal.set(new HashMap<String, String>());
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return true;
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}
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public void endVisit(SQLSelectStatement x) {
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aliasLocal.set(null);
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}
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@Override
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public void endVisit(MySqlInsertStatement x) {
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Mode originalMode = (Mode) x.getAttribute("_original_use_mode");
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modeLocal.set(originalMode);
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}
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@Override
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public boolean visit(MySqlInsertStatement x) {
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x.putAttribute("_original_use_mode", modeLocal.get());
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modeLocal.set(Mode.Insert);
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aliasLocal.set(new HashMap<String, String>());
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String originalTable = currentTableLocal.get();
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if (x.getTableName() instanceof SQLIdentifierExpr) {
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String ident = ((SQLIdentifierExpr) x.getTableName()).getName();
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currentTableLocal.set(ident);
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x.putAttribute("_old_local_", originalTable);
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TableStat stat = tableStats.get(ident);
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if (stat == null) {
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stat = new TableStat();
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tableStats.put(new TableStat.Name(ident), stat);
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}
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stat.incrementInsertCount();
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Map<String, String> aliasMap = aliasLocal.get();
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if (aliasMap != null) {
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if (x.getAlias() != null) {
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aliasMap.put(x.getAlias(), ident);
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}
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aliasMap.put(ident, ident);
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}
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}
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accept(x.getColumns());
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accept(x.getValuesList());
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accept(x.getQuery());
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accept(x.getDuplicateKeyUpdate());
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return false;
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}
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@Override
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public boolean visit(SQLInsertStatement x) {
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x.putAttribute("_original_use_mode", modeLocal.get());
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modeLocal.set(Mode.Insert);
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aliasLocal.set(new HashMap<String, String>());
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String originalTable = currentTableLocal.get();
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if (x.getTableName() instanceof SQLIdentifierExpr) {
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String ident = ((SQLIdentifierExpr) x.getTableName()).getName();
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currentTableLocal.set(ident);
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x.putAttribute("_old_local_", originalTable);
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TableStat stat = tableStats.get(ident);
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if (stat == null) {
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stat = new TableStat();
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tableStats.put(new TableStat.Name(ident), stat);
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}
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stat.incrementInsertCount();
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Map<String, String> aliasMap = aliasLocal.get();
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if (aliasMap != null) {
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if (x.getAlias() != null) {
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aliasMap.put(x.getAlias(), ident);
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}
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aliasMap.put(ident, ident);
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}
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}
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accept(x.getColumns());
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accept(x.getQuery());
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return false;
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}
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protected void accept(SQLObject x) {
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if (x != null) {
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x.accept(this);
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}
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}
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protected void accept(List<? extends SQLObject> nodes) {
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for (int i = 0, size = nodes.size(); i < size; ++i) {
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accept(nodes.get(i));
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}
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}
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public boolean visit(SQLSelectQueryBlock x) {
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if (x.getFrom() instanceof SQLSubqueryTableSource) {
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x.getFrom().accept(this);
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return false;
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}
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x.putAttribute("_original_use_mode", modeLocal.get());
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modeLocal.set(Mode.Select);
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String originalTable = currentTableLocal.get();
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if (x.getFrom() instanceof SQLExprTableSource) {
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SQLExprTableSource tableSource = (SQLExprTableSource) x.getFrom();
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if (tableSource.getExpr() instanceof SQLIdentifierExpr) {
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String ident = ((SQLIdentifierExpr) tableSource.getExpr()).getName();
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currentTableLocal.set(ident);
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x.putAttribute("_old_local_", originalTable);
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}
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}
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x.getFrom().accept(this); // 提前执行，获得aliasMap
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return true;
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}
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public void endVisit(SQLSelectQueryBlock x) {
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String originalTable = (String) x.getAttribute("_old_local_");
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x.putAttribute("table", currentTableLocal.get());
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currentTableLocal.set(originalTable);
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Mode originalMode = (Mode) x.getAttribute("_original_use_mode");
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modeLocal.set(originalMode);
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}
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public boolean visit(SQLJoinTableSource x) {
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return true;
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}
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public boolean visit(SQLPropertyExpr x) {
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if (x.getOwner() instanceof SQLIdentifierExpr) {
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String owner = ((SQLIdentifierExpr) x.getOwner()).getName();
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if (owner != null) {
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Map<String, String> aliasMap = aliasLocal.get();
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if (aliasMap != null) {
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String table = aliasMap.get(owner);
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// table == null时是SubQuery
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if (table != null) {
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fields.add(new Column(table, x.getName()));
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}
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}
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}
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}
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return false;
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}
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public boolean visit(SQLIdentifierExpr x) {
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String currentTable = currentTableLocal.get();
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if (currentTable != null) {
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fields.add(new Column(currentTable, x.getName()));
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}
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return false;
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}
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public boolean visit(SQLAllColumnExpr x) {
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String currentTable = currentTableLocal.get();
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if (currentTable != null) {
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fields.add(new Column(currentTable, "*"));
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}
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return false;
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}
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public Map<TableStat.Name, TableStat> getTables() {
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return tableStats;
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}
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public boolean containsTable(String tableName) {
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return tableStats.containsKey(new TableStat.Name(tableName));
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}
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public Set<Column> getFields() {
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return fields;
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}
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public class MySqlSchemaStatVisitor extends SchemaStatVisitor implements
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MySqlASTVisitor {
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public boolean visit(MySqlDeleteStatement x) {
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aliasLocal.set(new HashMap<String, String>());
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x.putAttribute("_original_use_mode", modeLocal.get());
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modeLocal.set(Mode.Delete);
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aliasLocal.set(new HashMap<String, String>());
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if (x.getTableNames().size() == 1) {
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String ident = ((SQLIdentifierExpr) x.getTableNames().get(0))
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.getName();
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currentTableLocal.set(ident);
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}
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for (SQLName tableName : x.getTableNames()) {
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String ident = tableName.toString();
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TableStat stat = tableStats.get(ident);
|
||||
if (stat == null) {
|
||||
stat = new TableStat();
|
||||
tableStats.put(new TableStat.Name(ident), stat);
|
||||
}
|
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stat.incrementDeleteCount();
|
||||
}
|
||||
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accept(x.getWhere());
|
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accept(x.getFrom());
|
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accept(x.getUsing());
|
||||
accept(x.getOrderBy());
|
||||
accept(x.getLimit());
|
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|
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return false;
|
||||
}
|
||||
|
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public void endVisit(MySqlDeleteStatement x) {
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aliasLocal.set(null);
|
||||
}
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||||
|
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@Override
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public void endVisit(MySqlInsertStatement x) {
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Mode originalMode = (Mode) x.getAttribute("_original_use_mode");
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modeLocal.set(originalMode);
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||||
}
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@Override
|
||||
public boolean visit(MySqlInsertStatement x) {
|
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x.putAttribute("_original_use_mode", modeLocal.get());
|
||||
modeLocal.set(Mode.Insert);
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||||
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||||
aliasLocal.set(new HashMap<String, String>());
|
||||
|
||||
String originalTable = currentTableLocal.get();
|
||||
|
||||
if (x.getTableName() instanceof SQLIdentifierExpr) {
|
||||
String ident = ((SQLIdentifierExpr) x.getTableName()).getName();
|
||||
currentTableLocal.set(ident);
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x.putAttribute("_old_local_", originalTable);
|
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|
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TableStat stat = tableStats.get(ident);
|
||||
if (stat == null) {
|
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stat = new TableStat();
|
||||
tableStats.put(new TableStat.Name(ident), stat);
|
||||
}
|
||||
stat.incrementInsertCount();
|
||||
|
||||
Map<String, String> aliasMap = aliasLocal.get();
|
||||
if (aliasMap != null) {
|
||||
if (x.getAlias() != null) {
|
||||
aliasMap.put(x.getAlias(), ident);
|
||||
}
|
||||
aliasMap.put(ident, ident);
|
||||
}
|
||||
}
|
||||
|
||||
accept(x.getColumns());
|
||||
accept(x.getValuesList());
|
||||
accept(x.getQuery());
|
||||
accept(x.getDuplicateKeyUpdate());
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlBooleanExpr x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlBooleanExpr x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(Limit x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(Limit x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlTableIndex x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlTableIndex x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlKey x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlKey x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlPrimaryKey x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlPrimaryKey x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlIntervalExpr x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlIntervalExpr x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlExtractExpr x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlExtractExpr x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlMatchAgainstExpr x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlMatchAgainstExpr x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlBinaryExpr x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlBinaryExpr x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlPrepareStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlPrepareStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlExecuteStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlExecuteStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlLoadDataInFileStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlLoadDataInFileStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlLoadXmlStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlLoadXmlStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlReplicateStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlReplicateStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlSelectGroupBy x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlSelectGroupBy x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlStartTransactionStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlStartTransactionStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlCommitStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlCommitStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlRollbackStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlRollbackStatement x) {
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlShowColumnsStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlShowColumnsStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlShowTablesStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlShowTablesStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlShowDatabasesStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlShowDatabasesStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlShowWarningsStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlShowWarningsStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlShowStatusStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlShowStatusStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(CobarShowStatus x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(CobarShowStatus x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlKillStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlKillStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlBinlogStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlBinlogStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endVisit(MySqlResetStatement x) {
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean visit(MySqlResetStatement x) {
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user