read_flob | R Documentation |
Read a flob
from a SQLite database.
read_flob(column_name, table_name, key, conn, slob = FALSE)
column_name |
A string of the name of the BLOB column. |
table_name |
A string of the name of the existing table. |
key |
A data.frame whose columns and values are used to filter the
table to a single row (this in combination with the |
conn |
A SQLite connection object. |
slob |
A logical scalar specifying whether to process as slobs (serialized blobs) instead of flobs. If NA, the function will adapt accordingly. |
A flob or blob.
flob <- flobr::flob_obj conn <- DBI::dbConnect(RSQLite::SQLite(), ":memory:") DBI::dbWriteTable(conn, "Table1", data.frame(IntColumn = c(1L, 2L))) key <- data.frame(IntColumn = 2L) write_flob(flob, "BlobColumn", "Table1", key, conn, exists = FALSE) read_flob("BlobColumn", "Table1", key, conn) DBI::dbDisconnect(conn)
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