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5 changes: 5 additions & 0 deletions R/databasesFromAndToCSV.R
Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,11 @@ omopVocabularyCSVsToDuckDB <- function(
sql = sql,
targetDialect = "duckdb"
)

# Fix DuckDB data type issues: replace NUMERIC with DOUBLE for float columns
# This prevents precision errors when importing large numeric values
sql <- gsub("NUMERIC NULL", "DOUBLE NULL", sql)
sql <- gsub("NUMERIC NOT NULL", "DOUBLE NOT NULL", sql)

DatabaseConnector::dbExecute(connection, sql)

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