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https://github.com/ClickHouse/ClickHouse.git
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74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
#include <Parsers/ParserOptimizeQuery.h>
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#include <Parsers/ParserPartition.h>
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#include <Parsers/CommonParsers.h>
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#include <Parsers/ASTOptimizeQuery.h>
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#include <Parsers/ASTIdentifier.h>
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namespace DB
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{
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bool ParserOptimizeQuery::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
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{
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ParserKeyword s_optimize_table("OPTIMIZE TABLE");
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ParserKeyword s_partition("PARTITION");
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ParserKeyword s_final("FINAL");
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ParserKeyword s_deduplicate("DEDUPLICATE");
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ParserToken s_dot(TokenType::Dot);
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ParserIdentifier name_p;
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ParserPartition partition_p;
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ASTPtr database;
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ASTPtr table;
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ASTPtr partition;
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bool final = false;
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bool deduplicate = false;
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String cluster_str;
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if (!s_optimize_table.ignore(pos, expected))
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return false;
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if (!name_p.parse(pos, table, expected))
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return false;
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if (s_dot.ignore(pos, expected))
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{
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database = table;
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if (!name_p.parse(pos, table, expected))
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return false;
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}
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if (ParserKeyword{"ON"}.ignore(pos, expected) && !ASTQueryWithOnCluster::parse(pos, cluster_str, expected))
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return false;
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if (s_partition.ignore(pos, expected))
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{
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if (!partition_p.parse(pos, partition, expected))
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return false;
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}
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if (s_final.ignore(pos, expected))
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final = true;
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if (s_deduplicate.ignore(pos, expected))
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deduplicate = true;
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auto query = std::make_shared<ASTOptimizeQuery>();
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node = query;
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getIdentifierName(database, query->database);
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getIdentifierName(table, query->table);
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query->cluster = cluster_str;
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query->partition = partition;
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query->final = final;
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query->deduplicate = deduplicate;
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return true;
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}
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}
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