Search results

[client-v2] serializeArrayData silently writes zero bytes for a wrong-typed Array/geo value and desynchronizes the RowBinary stream

area:client-inserthandling data insert in clienthandling data insert in client

area:data-typedata type processing issuesdata type processing issues

bug

client-api-v2

Status: Open.

#3041 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

clickhouse-jdbc (v1): the JavaCC SQL parser has no heredoc token, so a ; inside $$...$$ truncates the statement

Status: Open.

#3039 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

clickhouse-client (v1): named-parameter scan is heredoc-unaware — :name inside $$...$$ is extracted as a parameter

Status: Open.

#3037 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

clickhouse-jdbc (v1): a '?' inside a heredoc literal is counted as a bind parameter

Status: Open.

#3035 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

clickhouse-jdbc (v1): NullPointerException from prepareStatement when the JavaCC parser cannot parse an INSERT VALUES list

Status: Open.

#3033 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

jdbc-v2: the ANTLR4 SQL parser has no heredoc token, so a heredoc body is lexed as ordinary SQL

Status: Open.

#3031 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

jdbc-v2: heredoc containing !, &, | or ~ makes the JavaCC parser classify the statement as UNKNOWN

Status: Open.

#3029 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

jdbc-v2: an insert whose values list holds a function call the ANTLR4 grammar cannot match is reported to use none, and is routed to the RowBinary writer

Status: Open.

#3027 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

jdbc-v2: ANTLR4_PARAMS_PARSER loses ? parameters of a statement the grammar cannot parse

Status: Open.

#3025 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

[jdbc-v2] ANTLR4 lexer rejects // line comments accepted by the server and the JavaCC grammar

Status: Open.

#3023 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

jdbc-v2: ANTLR4 lexer does not nest /* */ block comments

Status: Open.

#3021 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026

jdbc-v2: ANTLR4 parser backends report a truncated VALUES list (and miscount value groups) for a value expression the grammar cannot parse

Status: Open.

#3019 In ClickHouse/clickhouse-java;

· polyglotAI-bot opened on Aug 4, 2026