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book_offers in Cassandra

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This commit is contained in:
CJ Cobb
2021-01-26 12:51:49 -05:00
parent 5d233fce1b
commit f754ff9f5a
7 changed files with 423 additions and 13 deletions
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49
reporting/DBHelpers.cpp
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@@ -45,6 +45,44 @@ writeToLedgersDB(ripple::LedgerInfo const& info, PgQuery& pgQuery)
return res;
}
/*
bool
writeBooks(std::vector<BookDirectoryData> const& bookDirData, PgQuery& pg)
{
BOOST_LOG_TRIVIAL(debug)
<< __func__ << " : "
<< "Writing " << bookDirData.size() << "books to Postgres";
try
{
std::stringstream booksCopyBuffer;
for (auto const& data : bookDirData)
{
std::string directoryIndex = ripple::strHex(data.directoryIndex);
std::string bookIndex = ripple::strHex(data.bookIndex);
auto ledgerSeq = data.ledgerSequence;
booksCopyBuffer << "\\\\x" << directoryIndex << '\t'
<< std::to_string(ledgerSeq) << '\t' << "\\\\x"
<< bookIndex << '\n';
}
pg.bulkInsert("books", booksCopyBuffer.str());
BOOST_LOG_TRIVIAL(info) << __func__ << " : "
<< "Successfully inserted books";
return true;
}
catch (std::exception& e)
{
BOOST_LOG_TRIVIAL(error)
<< __func__ << "Caught exception inserting books : " << e.what();
assert(false);
return false;
}
}
*/
bool
writeToPostgres(
ripple::LedgerInfo const& info,
@@ -56,8 +94,8 @@ writeToPostgres(
try
{
// Create a PgQuery object to run multiple commands over the same
// connection in a single transaction block.
// Create a PgQuery object to run multiple commands over the
// same connection in a single transaction block.
PgQuery pg(pgPool);
auto res = pg("BEGIN");
if (!res || res.status() != PGRES_COMMAND_OK)
@@ -67,9 +105,10 @@ writeToPostgres(
throw std::runtime_error(msg.str());
}
// Writing to the ledgers db fails if the ledger already exists in the
// db. In this situation, the ETL process has detected there is another
// writer, and falls back to only publishing
// Writing to the ledgers db fails if the ledger already
// exists in the db. In this situation, the ETL process has
// detected there is another writer, and falls back to only
// publishing
if (!writeToLedgersDB(info, pg))
{
BOOST_LOG_TRIVIAL(warning)