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Java SQLCreateTableStatement类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement的典型用法代码示例。如果您正苦于以下问题:Java SQLCreateTableStatement类的具体用法?Java SQLCreateTableStatement怎么用?Java SQLCreateTableStatement使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



SQLCreateTableStatement类属于com.alibaba.druid.sql.ast.statement包,在下文中一共展示了SQLCreateTableStatement类的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: hasGlobalColumn

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private static boolean hasGlobalColumn(SQLStatement statement){
	for (SQLTableElement tableElement : ((SQLCreateTableStatement)statement).getTableElementList()) {
		SQLName sqlName = null;
		if (tableElement instanceof SQLColumnDefinition) {
			sqlName = ((SQLColumnDefinition)tableElement).getName();
		}
		if (sqlName != null) {
			String simpleName = sqlName.getSimpleName();
			simpleName = StringUtil.removeBackquote(simpleName);
			if (tableElement instanceof SQLColumnDefinition && GLOBAL_TABLE_MYCAT_COLUMN.equalsIgnoreCase(simpleName)) {
				return true;
			}
		}
	}
	return false;
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:17,代码来源:GlobalTableUtil.java


示例2: statementParse

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
@Override
public void statementParse(SchemaConfig schema, RouteResultset rrs, SQLStatement stmt) throws SQLNonTransientException {
	MySqlCreateTableStatement createStmt = (MySqlCreateTableStatement)stmt;
	if(createStmt.getQuery() != null) {
		String msg = "create table from other table not supported :" + stmt;
		LOGGER.warn(msg);
		throw new SQLNonTransientException(msg);
	}
	String tableName = StringUtil.removeBackquote(createStmt.getTableSource().toString().toUpperCase());
	if(schema.getTables().containsKey(tableName)) {
		TableConfig tableConfig = schema.getTables().get(tableName);
		AbstractPartitionAlgorithm algorithm = tableConfig.getRule().getRuleAlgorithm();
		if(algorithm instanceof SlotFunction){
			SQLColumnDefinition column = new SQLColumnDefinition();
			column.setDataType(new SQLCharacterDataType("int"));
			column.setName(new SQLIdentifierExpr("_slot"));
			column.setComment(new SQLCharExpr("自动迁移算法slot,禁止修改"));
			((SQLCreateTableStatement)stmt).getTableElementList().add(column);
			String sql = createStmt.toString();
			rrs.setStatement(sql);
			ctx.setSql(sql);
		}
	}
	ctx.addTable(tableName);
	
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:27,代码来源:DruidCreateTableParser.java


示例3: changeCreateTable

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private  static String changeCreateTable(SchemaConfig schema,String tableName,String sql) {
	if (schema.getTables().containsKey(tableName)) {
		MySqlStatementParser parser = new MySqlStatementParser(sql);
		SQLStatement insertStatement = parser.parseStatement();
		if (insertStatement instanceof MySqlCreateTableStatement) {
			TableConfig tableConfig = schema.getTables().get(tableName);
			AbstractPartitionAlgorithm algorithm = tableConfig.getRule().getRuleAlgorithm();
			if (algorithm instanceof SlotFunction) {
				SQLColumnDefinition column = new SQLColumnDefinition();
				column.setDataType(new SQLCharacterDataType("int"));
				column.setName(new SQLIdentifierExpr("_slot"));
				column.setComment(new SQLCharExpr("自动迁移算法slot,禁止修改"));
				((SQLCreateTableStatement) insertStatement).getTableElementList().add(column);
				return insertStatement.toString();

			}
		}

	}
	return sql;
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:22,代码来源:RouterUtil.java


示例4: hasColumn

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private static boolean hasColumn(SQLStatement statement){
    for (SQLTableElement tableElement : ((SQLCreateTableStatement)statement).getTableElementList()) {
        SQLName sqlName = null;
        if (tableElement instanceof SQLColumnDefinition) {
            sqlName = ((SQLColumnDefinition)tableElement).getName();
        }
        if (sqlName != null) {
            String simpleName = sqlName.getSimpleName();
            simpleName = StringUtil.removeBackquote(simpleName);
            if (tableElement instanceof SQLColumnDefinition && "_slot".equalsIgnoreCase(simpleName)) {
                return true;
            }
        }
    }
    return false;
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:17,代码来源:DruidMysqlCreateTableTest.java


示例5: removeGlobalColumnIfExist

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private static void removeGlobalColumnIfExist(SQLCreateTableStatement statement) {
    for (SQLTableElement tableElement : statement.getTableElementList()) {
        SQLName sqlName = null;
        if (tableElement instanceof SQLColumnDefinition) {
            sqlName = ((SQLColumnDefinition) tableElement).getName();
        }
        if (sqlName != null) {
            String simpleName = sqlName.getSimpleName();
            simpleName = StringUtil.removeBackQuote(simpleName);
            if (GlobalTableUtil.GLOBAL_TABLE_CHECK_COLUMN.equalsIgnoreCase(simpleName)) {
                statement.getTableElementList().remove(tableElement);
                break;
            }
        }
    }
}
 
开发者ID:actiontech,项目名称:dble,代码行数:17,代码来源:DruidCreateTableParser.java


示例6: hasColumn

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private static boolean hasColumn(SQLStatement statement) {
    for (SQLTableElement tableElement : ((SQLCreateTableStatement) statement).getTableElementList()) {
        SQLName sqlName = null;
        if (tableElement instanceof SQLColumnDefinition) {
            sqlName = ((SQLColumnDefinition) tableElement).getName();
        }

        if (sqlName != null) {
            String simpleName = sqlName.getSimpleName();
            simpleName = StringUtil.removeBackQuote(simpleName);
            if (tableElement instanceof SQLColumnDefinition && "_slot".equalsIgnoreCase(simpleName)) {
                return true;
            }
        }
    }
    return false;
}
 
开发者ID:actiontech,项目名称:dble,代码行数:18,代码来源:DruidMysqlCreateTableTest.java


示例7: addColumnIfCreate

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
static String addColumnIfCreate(String sql, SQLStatement statement) {
	if (isCreate(statement) && sql.trim().toUpperCase().startsWith("CREATE TABLE ") && !hasGlobalColumn(statement)) {
		SQLColumnDefinition column = new SQLColumnDefinition();
		column.setDataType(new SQLCharacterDataType("bigint"));
		column.setName(new SQLIdentifierExpr(GLOBAL_TABLE_MYCAT_COLUMN));
		column.setComment(new SQLCharExpr("全局表保存修改时间戳的字段名"));
		((SQLCreateTableStatement)statement).getTableElementList().add(column);
	}
	return statement.toString();
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:11,代码来源:GlobalTableUtil.java


示例8: getDDLTableSource

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private static SQLExprTableSource getDDLTableSource(SQLStatement statement) {
	SQLExprTableSource source = null;
	if (statement instanceof SQLAlterTableStatement) {
		source = ((SQLAlterTableStatement)statement).getTableSource();
		
	} else if (isCreate(statement)) {
		source = ((SQLCreateTableStatement)statement).getTableSource();
	}
	return source;
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:11,代码来源:GlobalTableUtil.java


示例9: find

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
@Override
public TableMeta find(String schema, String table) {
    List<String> keys = Arrays.asList(schema, table);
    TableMeta tableMeta = tableMetas.get(keys);
    if (tableMeta == null) {
        synchronized (this) {
            tableMeta = tableMetas.get(keys);
            if (tableMeta == null) {
                Schema schemaRep = repository.findSchema(schema);
                if (schema == null) {
                    return null;
                }
                SchemaObject data = schemaRep.findTable(table);
                if (data == null) {
                    return null;
                }
                SQLStatement statement = data.getStatement();
                if (statement == null) {
                    return null;
                }
                if (statement instanceof SQLCreateTableStatement) {
                    tableMeta = parse((SQLCreateTableStatement) statement);
                }
                if (tableMeta != null) {
                    if (table != null) {
                        tableMeta.setTable(table);
                    }
                    if (schema != null) {
                        tableMeta.setSchema(schema);
                    }

                    tableMetas.put(keys, tableMeta);
                }
            }
        }
    }

    return tableMeta;
}
 
开发者ID:alibaba,项目名称:canal,代码行数:40,代码来源:MemoryTableMeta.java


示例10: parse

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private TableMeta parse(SQLCreateTableStatement statement) {
    int size = statement.getTableElementList().size();
    if (size > 0) {
        TableMeta tableMeta = new TableMeta();
        for (int i = 0; i < size; ++i) {
            SQLTableElement element = statement.getTableElementList().get(i);
            processTableElement(element, tableMeta);
        }
        return tableMeta;
    }

    return null;
}
 
开发者ID:alibaba,项目名称:canal,代码行数:14,代码来源:MemoryTableMeta.java


示例11: isCreate

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private static boolean isCreate(SQLStatement statement) {
	return statement instanceof SQLCreateTableStatement;
}
 
开发者ID:huang-up,项目名称:mycat-src-1.6.1-RELEASE,代码行数:4,代码来源:GlobalTableUtil.java


示例12: initTableMeta

import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement; //导入依赖的package包/类
private StructureMeta.TableMeta initTableMeta(String table, String sql, long timeStamp) {
    SQLStatementParser parser = new MySqlStatementParser(sql);
    SQLCreateTableStatement createStatement = parser.parseCreateTable();
    return MetaHelper.initTableMeta(table, createStatement, timeStamp);
}
 
开发者ID:actiontech,项目名称:dble,代码行数:6,代码来源:AbstractTableMetaHandler.java



注:本文中的com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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